view gcc/ChangeLog-2011 @ 16:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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2011-12-31  Alexandre Oliva  <>

	* cselib.h (cselib_add_permanent_equiv): Declare.
	(canonical_cselib_val): New.
	* cselib.c (new_elt_loc_list): Rework to support value
	equivalences.  Adjust all callers.
	(preserve_only_constants): Retain value equivalences.
	(references_value_p): Retain preserved values.
	(rtx_equal_for_cselib_1): Handle value equivalences.
	(cselib_invalidate_regno): Use canonical value.
	(cselib_add_permanent_equiv): New.
	* alias.c (find_base_term): Reset locs lists while recursing.
	* var-tracking.c (val_bind): New.  Don't add equivalences
	present in cselib table, compared with code moved from...
	(val_store): ... here.
	(val_resolve): Use val_bind.
	(add_uses): Do not create MOps for addresses.  Do not mark
	non-REG non-MEM expressions as requiring resolution.
	(reverse_op): Record reverse as a cselib equivalence.
	(add_stores): Use it.  Do not create MOps for addresses.
	Do not require resolution for non-REG non-MEM expressions.
	Simplify support for reverse operations.
	(compute_bb_dataflow): Drop reverse support.
	(emit_notes_in_bb): Likewise.
	(create_entry_value): Rename to...
	(record_entry_value): ... this.  Use cselib equivalences.
	(vt_add_function_parameter): Adjust.

2011-12-30  Michael Meissner  <>

	* config/rs6000/rs6000.c (rs6000_inner_target_options): Fix thinko
	in setting options via target #pragma or attribute.

2011-12-30  Anatoly Sokolov  <>

	* config/bfin/bfin.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
	* config/bfin/bfin-protos.h (bfin_register_move_cost,
	bfin_memory_move_cost): Remove.
	* config/bfin/bfin.c (bfin_register_move_cost,
	bfin_memory_move_cost): Make static. Change arguments type from
	enum reg_class to reg_class_t and from int to bool.

2011-12-30  Nathan Sidwell  <>

	* gcov.c (total_lines, total_executed): New global vars.
	(generate_results): Call executed_summary.
	(executed_summary): New function, broken out of ...
	(function_summary): ... here.  Call it.
	* coverage.c (coverage_finish): Also check for local_tick == -1.
	* gcov-dump (tag_function): Correct labelling typo.

2011-12-29  Michael Meissner  <>

	PR target/51623
	* config/rs6000/rs6000.c (rs6000_assemble_integer): Delete check
	for an initialized pointer being in a text section with
	-mrelocatable, since it should never happen.

2011-12-29  Michael Eager  <>

	* config/microblaze/ Add expander for simple_return,
	return, add return_internal and simple_return_internal insns.

2011-12-29  Oleg Endo  <>

	* config/sh/sh.h (BRANCH_COST): Use sh_branch_cost variable.
	* config/sh/sh.c (sh_option_override): Simplify sh_branch_cost

2011-12-28  Ian Lance Taylor  <>

	* dwarf2out.c (gen_compile_unit_die): Use DW_LANG_Go for Go.

2011-12-28  Michael Meissner  <>

	PR target/51623
	* config/rs6000/rs6000.c (rs6000_assemble_integer): Don't call
	unlikely_text_section_p.  Instead check for being in a code section.

2011-12-28  Ira Rosen  <>

	PR tree-optimization/51684
	* tree-vect-slp.c (vect_schedule_slp_instance): Get gsi of original
	statement in case of a pattern.
	(vect_schedule_slp): Likewise.

2011-12-27  Eric Botcazou  <>

	PR rtl-optimization/51667
	* ree.c (insn_merge_code): Delete.
	(is_insn_merge_attempted): Likewise.
	(get_insn_status): Likewise.
	(set_insn_status): Likewise.
	(struct ext_cand): Add CODE and MODE fields.
	(combine_set_extend): Rename to...
	(combine_set_extension): ...this.  Use above fields and tidy up.
	(transform_ifelse): Likewise.
	(get_defs): Return the chain of definitions.
	(is_this_a_cmove): Merge into...
	(is_cond_copy_insn): ...this.  Return bool.
	(make_defs_and_copies_lists): Adjust calls to get_defs and simplify.
	(merge_def_and_ext): Adjust call to combine_set_extend.
	(combine_reaching_defs): Remove calls to {g|s}et_insn_status.
	(struct extend_info): Rename to...
	(struct re_info): ...this.  Add DEF_MAP field.
	(add_ext_candidate): Merge into...
	(add_removable_extension): ...this.  Adjust calls to get_defs.  Ensure
	reaching definitions are associated with only one kind of extension.
	(find_removable_extensions): Create and destroy the definition map.
	(find_and_remove_re): Return void.  Change 'long' variables to 'int'.
	Do not deal with is_insn_merge_attempted.

2011-12-25  Jan Hubicka  <>

	PR middle-end/48641
	* tree-ssa-threadupdate.c (redirect_edges): Watch for overflow.

2011-12-26  Oleg Endo  <>

	* config/sh/ Add soft atomics ABI description.
	(fetchop_name): Use 'or' instead of 'ior'.
	(fetchop_insn): Remove.
	Don't insert aligning nop after the write-back instruction.  Fix
	multi-line asm output formatting style.
	(atomic_fetch_<fetchop_name><mode>_soft): Likewise.
	(atomic_fetch_nand<mode>_soft): Likewise.
	(atomic_<fetchop_name>_fetch<mode>_soft): Likewise.
	(atomic_nand_fetch<mode>_soft): Likewise.

2011-12-23  Richard Henderson  <>

	* cfgexpand.c (expand_debug_expr): Don't handle them.
	* expr.c (expand_expr_real_2): Likewise.
	* fold-const.c (fold_binary_loc): Likewise.
	* gimple-pretty-print.c (dump_binary_rhs): Likewise.
	* tree-cfg.c (verify_gimple_assign_binary): Likewise.
	* tree-inline.c (estimate_operator_cost): Likewise.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* tree-vect-generic.c (expand_vector_operations_1): Likewise.
	* optabs.c (optab_for_tree_code): Likewise.
	(can_vec_perm_for_code_p): Remove.
	(expand_binop): Don't try it.
	(init_optabs): Don't init vec_extract_even/odd_optab.
	* genopinit.c (optabs): Likewise.
	* optabs.h (OTI_vec_extract_even, OTI_vec_extract_odd): Remove.
	(vec_extract_even_optab, vec_extract_odd_optab): Remove.
	* tree-vect-data-refs.c (vect_strided_store_supported): Tidy code.
	(vect_permute_store_chain): Use TYPE_VECTOR_SUBPARTS instead of
	GET_MODE_NUNITS; check vect_gen_perm_mask return value instead of
	asserting vect_strided_store_supported.
	(vect_strided_load_supported): Use can_vec_perm_p.
	(vect_permute_load_chain): Use VEC_PERM_EXPR.

	* doc/generic.texi (VEC_EXTRACT_EVEN_EXPR): Remove.
	* doc/md.texi (vec_extract_even, vec_extract_odd): Remove.

2011-12-23  Anatoly Sokolov  <>

	* config/score/score.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
	* config/score/score-protos.h (score_register_move_cost): Remove.
	* config/score/score.c (TARGET_REGISTER_MOVE_COST): Define.
	(score_register_move_cost): Make static. Change arguments type from
	enum reg_class to reg_class_t.

2011-12-23  Jakub Jelinek  <>
	    Richard Henderson  <>

	* gimple-pretty-print.c (dump_binary_rhs): Don't handle
	* expr.c (expand_expr_real_2): Likewise.
	* tree-cfg.c (verify_gimple_assign_binary): Likewise.
	* cfgexpand.c (expand_debug_expr): Likewise.
	* tree-inline.c (estimate_operator_cost): Likewise.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* tree-vect-generic.c (expand_vector_operations_1): Likewise.
	* fold-const.c (fold_binary_loc): Likewise.
	* doc/generic.texi (VEC_INTERLEAVE_HIGH_EXPR,
	VEC_INTERLEAVE_LOW_EXPR): Remove documentation.
	* optabs.c (optab_for_tree_code): Don't handle
	(expand_binop, init_optabs): Remove vec_interleave_high_optab
	and vec_interleave_low_optab.
	* genopinit.c (optabs): Likewise.
	* optabs.h (OTI_vec_interleave_high, OTI_vec_interleave_low): Remove.
	(vec_interleave_high_optab, vec_interleave_low_optab): Remove.
	* doc/md.texi (vec_interleave_high, vec_interleave_low): Remove
	* tree-vect-stmts.c (gen_perm_mask): Renamed to...
	(vect_gen_perm_mask): ... this.  No longer static.
	(perm_mask_for_reverse, vectorizable_load): Adjust callers.
	* tree-vectorizer.h (vect_gen_perm_mask): New prototype.
	* tree-vect-data-refs.c (vect_strided_store_supported): Don't try
	VEC_INTERLEAVE_*_EXPR, use can_vec_perm_p instead of
	(vect_permute_store_chain): Generate VEC_PERM_EXPR with interleaving
	* config/i386/i386.c (expand_vec_perm_interleave2): If
	expand_vec_perm_interleave3 would handle it, return false.
	(expand_vec_perm_broadcast_1): Don't use vec_interleave_*_optab.

2011-12-23  Richard Henderson  <>

	* config/mips/ (UNSPEC_LOONGSON_PINSR_0,
	UNSPEC_LOONGSON_PINSR_3): Replace with...
	(VWB): New mode iterator.
	(V_inner): New mode attribute.
	(loongson_vec_init1_<VHB>): New.
	(*vec_concatv2si): New.
	(and<VWHB>3, ior<VWHB>3, xor<VWHB>3, one_cmpl<VWHB>2): New.
	(*loongson_nor): New.
	(loongson_pextrh): Un-macro-ify.
	(loongson_pmaddhw): Likewise.
	(smaxv4hi3, umaxv8qi3, sminv4hi3, uminv8qi3): Likewise.
	(loongson_pinsrh_0): Represent with vec_select+vec_concat.
	(loongson_pinsrh_1, loongson_pinsrh_2, loongson_pinsrh_3): Likewise.
	(*vec_setv4hi, vec_setv4hi): New.
	(sdot_prodv4hi): New.
	(smax<VWB>3, smin<VWB>3): New.
	(reduc_uplus_v8qi): New.
	(loongson_pshufh): Remove destination matching input.
	(ashl<VWH>3, ashr<VWH>3, lshr<VWH>3): Fix type attribute.
	(vec_interleave_high<VWHB>, vec_interleave_low<VWHB>): Remove.
	(loongson_punpckhbh, loongson_punpckhhw, loongson_punpckhhw_qi,
	loongson_punpckhwd, loongson_punpckhwd_qi, loongson_punpckhwd_hi,
	loongson_punpcklbh, loongson_punpcklhw, loongson_punpcklhw_qi,
	loongson_punpcklwd, loongson_punpcklwd_qi, loongson_punpcklwd_hi,
	vec_perm_const<VWHB>, vec_unpacks_lo_<VHB>, vec_unpacks_hi_<VHB>,
	vec_unpacku_lo_<VHB>, vec_unpacku_hi_<VHB>, vec_shl_<VWHBDI>,
	vec_shr_<VWHBDI>, reduc_uplus_<VWH>, reduc_splus_<VWHB>,
	reduc_smax_<VWHB>, reduc_smin_<VWHB>, reduc_umax_<VWHB>,
	reduc_umin_<VB>): New.
	* config/mips/ (vec_perm_const_ps): New.
	(mips_pul_ps, mips_puu_ps, mips_pll_ps, mips_plu_ps): Expand in
	terms of vec_perm_const_ps.
	(vec_perm_constv2sf): New.
	(vec_initv2sf): Use mips_expand_vector_init.
	(vec_concatv2sf): Rename from vec_initv2sf_internal.
	(vec_setv2sf): Use vec_perm_const_ps.
	(reduc_splus_v2sf, reduc_smin_v2sf, reduc_smax_v2sf): New.
	* config/mips/loongson.h (pshufh_u, pshufh_s): Don't pass dest to
	the builtin.
	* config/mips/mips-modes.def (V16QI, V8HI, V4SI, V4SF): New modes.
	* config/mips/mips-protos.h: Update.
	* config/mips/mips.c (mips_get_arg_info): Match V2SFmode, not all
	(mips_return_mode_in_fpr_p): Likewise.
	(mips_cannot_change_mode_class): Allow 8-byte integral mode changes.
	(CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw,
	CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh,
	CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): Remove.
	(mips_builtins): Remove first operand for loongson pshufh builtins.
	(MAX_VECT_LEN, struct expand_vec_perm_d): New.
	(mips_expand_vselect, mips_expand_vselect_vconcat,
	mips_expand_vpc_loongson_even_odd, mips_expand_vpc_loongson_pshufh,
	mips_expand_vpc_loongson_bcast, mips_expand_vec_perm_const_1,
	mips_expand_vec_perm_const, mips_vectorize_vec_perm_const_ok,
	mips_expand_vec_unpack, mips_constant_elt_p, mips_expand_vi_broadcast,
	mips_expand_vi_constant, mips_expand_vi_loongson_one_pinsrh,
	mips_expand_vi_general, mips_expand_vec_reduc, mips_expand_vec_minmax,
	(mips_expand_vector_init): Rewrite.
	* config/mips/ (const_2_or_3_operand): New.
	(const_0_to_3_operand): New.

2011-12-23  Dmitry Plotnikov  <>

	* config/arm/ (float<mode><V_cvtto>2): New.
	(floatuns<mode><V_cvtto>2): New.
	(fix_trunc<mode><V_cvtto>2): New.
	(fix_truncuns<mode><V_cvtto>2): New.
	* config/arm/ (V_cvtto): New iterator.

2011-12-23  Richard Guenther  <>

	PR rtl-optimization/50396
	* simplify-rtx.c (simplify_binary_operation_1): Properly
	guard code that only works for integers.

2011-12-23  Tristan Gingold  <>

	* config/vms/ (log10): Fix typo.

2011-12-23  Tristan Gingold  <>

	* config/ia64/vms.h (SUPPORTS_ONE_ONLY): Define.

2011-12-22  Bin Cheng  <>
	Richard Guenther  <>

	PR tree-optimization/43491
	* tree-ssa-pre.c (eliminate): Don't replace global register
	variable when it is the RHS of a single assign.

2011-12-22  Joey Ye  <>

	* toplev.c (process_options): Fix typo.

2011-12-22  John David Anglin  <>

	PR middle-end/51252
	* config/pa/pa.c (pa_som_tm_clone_table_section): New function.
	(som_tm_clone_table_section): Declare.
	(pa_file_start_space): Create $TM_CLONE_TABLE$ subspace.
	(pa_som_asm_init_sections): Init som_tm_clone_table_section.
	* config/pa/som.h (TARGET_ASM_TM_CLONE_TABLE_SECTION): Define.

2011-12-22  Richard Sandiford  <>

	* doc/ (TARGET_PREPARE_PCH_SAVE): New hook.
	* doc/tm.texi: Regenerate.
	* target.def (prepare_pch_save): New hook.
	* c-family/c-pch.c (c_common_write_pch): Call it.
	* config/mips/mips.c (was_mips16_pch_p): Delete.
	(mips_set_mips16_mode): Don't refer to was_mips16_pch_p.
	(mips_prepare_pch_save): New function.

2011-12-22  Aldy Hernandez  <>

	PR middle-end/51212
	* opts.c (finish_options): Call sorry on -fgnu-tm and
	-fnon-call-exceptions combination.

2011-12-22  Jonathan Wakely  <>

	* doc/invoke.texi (C++ Dialect Options): Add missing options and
	move -Wzero-as-null-pointer-constant to ...
	(Warning Options): ... here.

2011-12-22  Jonathan Wakely  <>

	PR target/47643
	* doc/invoke.texi (i386 and x86-64 Options): Fix description of
	-mtune without -march.

2011-12-21  Richard Earnshaw  <>

	PR target/51643
	* arm.c (arm_function_ok_for_sibcall): Use DECL_WEAK in previous

2011-12-22  Tristan Gingold  <>

	* config/ia64/ia64.c (ia64_promote_function_mode): Remove.
	(ia64_function_value): Call promote_function_mode instead of
	* config/ia64/vms.h (PROMOTE_MODE): Define.

2011-12-22  Uros Bizjak  <>

	PR target/27468
	* common/config/alpha/alpha-common.c (alpha_option_optimization_table):
	Enable flag_ree at -O2 or higher.

2011-12-22  Richard Guenther  <>

	PR lto/51650
	* lto.c (uniquify_nodes): Register TYPE_DECLs with the
	debuginfo machinery.

2011-12-22  Bernd Schmidt  <>

	* tree-pass.h (pass_reload): Declare.
	* ira.c (overall_cost_before, saved_flag_ira_share_spill_slots):
	New global variables, moved out of ira.
	(do_reload): New static function, split off from the second half
	of ...
	(ira): ... here.
	(gate_ira): Remove.
	(pass_ira): Use TV_IRA, set gate to NULL, and set flags to
	(rest_of_handle_reload): New static function.
	(pass_reload): New.

2011-12-22  Uros Bizjak  <>

	* common/config/i386/i386-common.c (ix86_option_optimization_table):
	Move OPT_free processing from ...
	* config/i386/i386.c (ix86_option_override_internal):  ... here.

2011-12-21  Richard Earnshaw  <>

	PR target/51643
	* arm.c (arm_function_ok_for_sibcall): Don't try to tailcall a
	weak function on bare-metal EABI targets.

2011-12-21  Jonathan Wakely  <>
	    Jim Avera  <>

	* doc/extend.texi (__builtin_expect): Improve example.

2011-12-21  Uros Bizjak  <>

	* config/i386/i386.c (ix86_option_override_internal): Enable flag_ree
	also for 32bit targets.

2011-12-21  Richard Henderson  <>

	PR target/51552
	* dwarf2cfi.c (dwarf2out_frame_debug): Move any_cfis_emitted code...
	(scan_trace): ... here.

2011-12-21  Jason Merrill  <>

	* doc/standards.texi (C++ language): Update for C++11.

2011-12-21  Jakub Jelinek  <>

	* tree-vect-patterns.c (vect_operation_fits_smaller_type): Initialize
	*op0 and *op1 to NULL_TREE first to avoid warnings.
	* calls.c (initialize_argument_information): Initialize base to avoid

	PR middle-end/51644
	PR middle-end/51647
	* tree-eh.c (decide_copy_try_finally): At -O0, return true
	even when ndests is not 1, if there are only gimple_clobber_p
	(or debug) stmts in the finally sequence.
	* tree-inline.c (estimate_num_insns): Return 0 for gimple_clobber_p

2011-12-21  Aldy Hernandez  <>

	PR middle-end/51472
	* trans-mem.c (tm_log_add): Use create_tmp_var_reg.

2011-12-21  Martin Jambor  <>

	* tree-into-ssa.c (rewrite_update_stmt): Do not dump extra newlines.
	(rewrite_update_enter_block): Likewise.
	(dump_update_ssa): Likewise.
	(update_ssa): Likewise but also dump a newline at the beginning.

2011-12-21  Enkovich Ilya  <>

	PR target/50038
	* implicit-zee.c: Delete.
	* ree.c: New file.
	* Replace implicit-zee.c with ree.c.
	* config/i386/i386.c (ix86_option_override_internal): Rename
	flag_zee to flag_ree.
	* common.opt (fzee): Ignored.
	(free): New.
	* passes.c (init_optimization_passes): Replace pass_implicit_zee
	with pass_ree.
	* tree-pass.h (pass_implicit_zee): Delete.
	(pass_ree): New.
	* timevar.def (TV_ZEE): Delete.
	(TV_REE): New.
	* doc/invoke.texi: Add -free description.

2011-12-21  Tristan Gingold  <>

	* config/vms/vms-protos.h (vms_function_section): New prototype.
	* config/vms/vms.c (vms_function_section): New function.
	* config/vms/vms.h (TARGET_ASM_FUNCTION_SECTION): Define.

2011-12-21  Richard Guenther  <>

	PR lto/41159
	* tree-outof-ssa.c (insert_value_copy_on_edge): Use the
	mode of the pseudo as destination mode.  Only assert that
	is equal to the promoted mode of the decl if it is a REG.

2011-12-21  Tristan Gingold  <>

	* config/vms/xm-vms.h (STANDARD_EXEC_PREFIX): Remove define.

2011-12-20  Richard Henderson  <>

	* config/ia64/ia64.c (MAX_VECT_LEN): New.
	(struct expand_vec_perm_d): New.
	(ia64_unpack_assemble): Use ia64_expand_vec_perm_const_1.
	(expand_vselect, expand_vselect_vconcat): New.
	(expand_vec_perm_identity, expand_vec_perm_shrp): New.
	(expand_vec_perm_1, expand_vec_perm_broadcast): New.
	(expand_vec_perm_interleave_2, expand_vec_perm_v4hi_5): New.
	(ia64_expand_vec_perm_const_1, ia64_expand_vec_perm_const): New.
	(ia64_vectorize_vec_perm_const_ok): New.
	(ia64_expand_vec_setv2sf, ia64_expand_vec_perm_even_odd): New.
	* config/ia64/ia64-protos.h: Update.
	* config/ia64/ (VEC): New mode iterator.
	(vecint): New mode attribute.
	(vec_interleave_lowv8qi, vec_interleave_highv8qi): Privatize with '*'.
	(vec_interleave_lowv4hi, vec_interleave_highv4hi): Likewise.
	(vec_interleave_lowv2si, vec_interleave_highv2si): Likewise.
	(vec_interleave_lowv2sf, vec_interleave_highv2sf): Likewise.
	(mix1_even, mix1_odd, mux1_alt): Likewise.
	(mux1_brcst_qi): Remove '*' from name.
	(vec_extract_evenv8qi, vec_extract_oddv8qi): Remove.
	(vec_extract_evenv4hi, vec_extract_oddv4hi): Remove.
	(vec_extract_evenv2si, vec_extract_oddv2si): Remove.
	(vec_extract_evenv2sf, vec_extract_oddv2sf): Remove.
	(vec_extract_evenodd_helper): Remove.
	(vec_setv2sf): Use ia64_expand_vec_setv2sf.
	(vec_pack_trunc_v4hi): Use ia64_expand_vec_perm_even_odd.
	(vec_pack_trunc_v2si): Likewise.
	(vec_perm_const<VEC>): New.

2011-12-20  Richard Henderson  <>

	* tree-vect-generic.c (expand_vector_operations_1): Correct tests
	for vector types -- use the type not the mode.  Fix optab selection
	for vector shifts by a scalar.  Handle over-large integer modes
	like BLKmode.

2011-12-20  Richard Henderson  <>

	* config/arm/ (*arm_xorsi3): Match iorsi3 and perform
	post-reload splitting.

	* config/arm/ (*arm_cmpdi_unsigned): Enable for thumb2.
	* config/arm/arm.c (arm_select_cc_mode): Use it.

2011-12-20  Richard Sandiford  <>

	* tree-ssa-math-opts.c (convert_plusminus_to_widen): Restrict
	handling of signedness differences to integer types.  Only build
	a new optype if type1 isn't correct.

2011-12-20  Vladimir Makarov  <>

	PR target/49865
	* ira-costs.c (find_costs_and_classes): Prefer registers even
	if the memory cost is the same.

2011-12-20  Joseph Myers  <>

	* c-decl.c (diagnose_mismatched_decls, grokdeclarator, grokfield)
	(finish_struct): Refer to C11 in comments.  Use flag_isoc11.
	* c-parser.c (c_parser_static_assert_declaration)
	(c_parser_static_assert_declaration_no_semi, c_parser_declspecs)
	(c_parser_alignas_specifier, c_parser_alignof_expression): Refer
	to C11 in comments.  Use flag_isoc11.
	* c-typeck.c (comptypes_check_different_types): Refer to C11 in
	* doc/cpp.texi (Overview): Refer to -std=c11 instead of -std=c1x.
	* doc/cppopts.texi (-std=c11, -std=gnu11): Document in preference
	to -std=c1x and -std=gnu1x.
	* doc/extend.texi (Inline, Alternate Keywords, Other Builtins)
	(__builtin_complex, Unnamed Fields): Refer to -std=c11 and C11
	instead of -std=c1x and C1X.
	* doc/invoke.texi (-std=c11, -std=iso9899:2011): Document in
	preference to -std=c1x.
	(-std=gnu11): Document in preference to -std=gnu1x.
	* doc/standards.texi: Document C11 instead of C1X.  Document C11
	as actual standard.  Document headers required from freestanding
	C11 implementations.
	* ginclude/float.h, ginclude/stddef.h: Test __STDC_VERSION__ >=
	201112L for C11.  Update comments to refer to C11.

2011-12-20  Andreas Schwab  <>

	* configure: Regenerate.

2011-12-20  Bernd Schmidt  <>

	PR middle-end/51200
	* expr.c (store_field): Avoid a direct store if the mode is larger
	than the size of the bit field.
	* stor-layout.c (layout_decl): If flag_strict_volatile_bitfields,
	treat non-volatile bit fields like volatile ones.
	* toplev.c (process_options): Disallow combination of
	-fstrict-volatile-bitfields and ABI versions less than 2.
	* config/arm/arm.c (arm_option_override): Don't enable
	flag_strict_volatile_bitfields if the ABI version is less than 2.
	* config/h8300/h8300.c (h8300_option_override): Likewise.
	* config/rx/rx.c (rx_option_override): Likewise.
	* config/m32c/m32c.c (m32c_option_override): Likewise.
	* config/sh/sh.c (sh_option_override): Likewise.

2011-12-20  Richard Guenther  <>

	PR lto/46796
	* dwarf2out.c (modified_type_die): When the type variant
	chain is corrupt use the types name, if available, instead
	of __unknown__.

2011-12-20  Tristan Gingold  <>

	* config/alpha/alpha.c (alpha_start_function): Adjust condition to
	create VMS trampoline entry point.

2011-12-19  Richard Sandiford  <>

	PR rtl-optimization/42839
	* fwprop.c (forward_propagate_subreg): Skip the SIGN/ZERO_EXTEND
	optimization if the source register is already extended.

2011-12-19  Richard Sandiford  <>

	* lower-subreg.c (can_decompose_p): Check every word of a hard

2011-12-19  Sandra Loosemore  <>
	    Tom de Vries <>

	PR rtl-opt/50380
	* cse.c (find_comparison_args): Detect fixed point and
	bail early.

2011-12-19  Aldy Hernandez  <>

	PR middle-end/51411
	* trans-mem.c (ipa_tm_create_version): Unset DECL_WEAK.

2011-12-19  Quentin Neill  <>

	PR target/48743
	* config/i386/driver-i386.c (host_detect_local_cpu): Also check
	family to distinguish PROCESSOR_ATHLON.

2011-12-19  Richard Guenther  <>

	PR lto/51573
	* streamer-hooks.h (struct streamer_hooks): Add second
	ref_p parameter to write_tree.
	(stream_write_tree): Adjust.
	(stream_write_tree_shallow_non_ref): New define.
	* lto-streamer.h (lto_output_tree): Adjust.
	* lto-streamer-out.c (lto_output_tree): Likewise.
	* tree-streamer-out.c (streamer_write_chain): Only
	force the immediate tree to be streamed as non-reference.

2011-12-19  Martin Jambor  <>

	PR tree-optimization/51583
	* tree-sra.c (load_assign_lhs_subreplacements): Call
	force_gimple_operand_gsi when necessary also in case of no
	corresponding replacement on the RHS.

2011-12-19  Jakub Jelinek  <>

	* gimple.h (gimplify_seq_add_stmt): Rename to...
	(gimple_seq_add_stmt_without_update): ... this.
	* gimplify.c (gimplify_seq_add_stmt): Rename to...
	(gimple_seq_add_stmt_without_update): ... this.
	(gimplify_seq_add_stmt): New inline wrapper for it.
	* tree-vect-patterns.c (append_pattern_def_seq): Use
	gimple_seq_add_stmt_without_update instead of gimplify_seq_add_stmt.

	PR tree-optimization/51596
	* tree-cfg.c (replace_uses_by): Call gimple_purge_dead_eh_edges
	when needed.

	PR middle-end/51590
	PR tree-optimization/51606
	* tree-vect-patterns.c (append_pattern_def_seq, new_pattern_def_seq):
	New inline functions.
	vect_recog_sdivmod_pow2_pattern, vect_recog_mixed_size_cond_pattern,
	adjust_bool_pattern_cast, vect_recog_bool_pattern): Use them.

2011-12-19  Richard Guenther  <>

	PR lto/51572
	* tree.c (free_lang_data_in_type): Do not unlink TYPE_DECL
	(find_decls_types_r): Walk TYPE_DECLs in TYPE_FIELDS.
	* tree-streamer-out.c (write_ts_field_decl_tree_pointers): Do
	not stream TREE_CHAIN.
	(write_ts_type_non_common_tree_pointers): Stream TYPE_FIELDS
	using streamer_write_chain.
	* tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
	Do not stream TREE_CHAIN.
	(lto_input_ts_type_non_common_tree_pointers): Stream TYPE_FIELDS
	using streamer_read_chain.
	* gimple-streamer-in.c (input_gimple_stmt): Skip non-FIELD_DECLs.
	* gimple.c (gimple_canonical_types_compatible_p): Properly
	handle trailing non-FIELD_DECLs in TYPE_FIELDS.

2011-12-19  Andreas Schwab  <>

	* configure: Regenerate.

2011-12-19  Bernd Schmidt  <>

	* emit-rtl.c (init_emit_once): Initialize const_tiny_rtx[3] for
	partial integer modes.

2011-12-19  Andreas Schwab  <>

	PR target/51532
	* config/m68k/m68k.h (FL_CAS, TARGET_CAS): Define.
	* config/m68k/m68k.c (FL_FOR_isa_20): Add FL_CAS.
	* config/m68k/ Use TARGET_CAS instead of (TARGET_68020 ||

2011-12-18  Anatoly Sokolov  <>

	* config/ia64/ia64.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
	* config/ia64/ia64.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
	(ia64_reg_ok_for_base_p, ia64_legitimate_address_reg,
	ia64_legitimate_address_disp, ia64_legitimate_address_p): New

2011-12-17  Tom de Vries  <>

	PR tree-optimization/51491
	* tree-ssa-ccp.c (insert_clobber_before_stack_restore)
	(gsi_prev_dom_bb_nondebug, insert_clobbers_for_var): New function.
	(ccp_fold_stmt): Use insert_clobbers_for_var after a successful
	(ccp_visit_stmt): Calculate and free dominator info.

2011-12-16  Eric Botcazou  <>

	* config/sparc/ (UNSPEC_FRAME_BLOCKAGE): New constant.
	(frame_blockage): New expander.
	(frame_blockage<P:mode>): New instruction.
	* config/sparc/sparc.c (sparc_expand_prologue): When the sequence of
	instructions establishing the frame isn't atomic, emit frame blockage.

2011-12-16  Tristan Gingold  <>

	* config/alpha/vms.h (USE_TM_CLONE_REGISTRY): Define.

2011-12-16  Tristan Gingold  <>

	* config/alpha/alpha.c (alpha_use_linkage): Follow transparent alias.
	(alpha_write_one_linkage): Use assemble_name to emit linkage name.

2011-12-16  Tristan Gingold  <>

	* config/vms/t-vms (vms.o, vms-c.o): Force output filename.

2011-12-16  Tristan Gingold  <>

	* config/vms/vms.c (VMS_CRTL_GLOBAL): Define.
	(vms_patch_builtins): Handle.
	* config/vms/ Add an entry for environ.

2011-12-16  Jakub Jelinek  <>

	PR debug/51557
	* sel-sched-ir.c (create_copy_of_insn_rtx): Copy all notes

	PR tree-optimization/51576
	* tree-cfg.c (replace_uses_by): Call maybe_clean_or_replace_eh_stmt
	even if fold_stmt didn't change anything.

2011-12-16  Richard Guenther  <>

	PR lto/51572
	* dwarf2out.c (gen_type_die_with_usage): Use the context of
	the TYPE_DECL as well if it is file-scope.

2011-12-15  DJ Delorie  <>

	* config/rl78/ (return): Rename to rl78_return.
	* config/rl78/rl78.c (rl78_expand_epilogue): Use new name.
	(rl78_expand_eh_epilogue): Use new name.
	(rl78_calculate_death_notes): Likewise.

2011-12-15  Jakub Jelinek  <>

	* tree-vectorizer.h (struct _stmt_vec_info): Remove pattern_def_stmt
	field, add pattern_def_seq.
	(NUM_PATTERNS): Bump to 10.
	* tree-vect-loop.c (vect_determine_vectorization_factor,
	vect_transform_loop): Adjust for pattern def changing from a single
	gimple stmt to gimple_seq.
	* tree-vect-stmts.c (vect_analyze_stmt, new_stmt_vec_info,
	free_stmt_vec_info): Likewise.
	* tree-vect-patterns.c (vect_recog_over_widening_pattern,
	vect_recog_mixed_size_cond_pattern, adjust_bool_pattern_cast,
	adjust_bool_pattern, vect_mark_pattern_stmts): Likewise.
	(vect_recog_sdivmod_pow2_pattern): New function.
	(vect_vect_recog_func_ptrs): Add it.

	* config/i386/ (vcond<V_256:mode><VI_256:mode>,
	vcond<V_128:mode><VI124_128:mode>, vcond<VI8F_128:mode>v2di):
	Use general_operand instead of nonimmediate_operand for
	operand 5 and no predicate for operands 1 and 2.
	* config/i386/i386.c (ix86_expand_int_vcond): Optimize
	x < 0 ? -1 : 0 and x < 0 ? 1 : 0 into vector arithmetic
	resp. logical shift.

2011-12-15  Georg-Johann Lay  <>

	* config/avr/avr-protos.h (print_operand): Remove.
	(print_operand_address): Remove.
	* config/avr/avr.h (PRINT_OPERAND): Remove.
	* config/avr/avr.c (TARGET_PRINT_OPERAND): New hook define.
	(print_operand_address): Rename to...
	(avr_print_operand_address): ...this and make static.
	(print_operand): Rename to...
	(avr_print_operand): ...this and make static.
	(avr_print_operand_punct_valid_p): New static function.

2011-12-15  Andreas Tobler  <>

	* config/i386/freebsd.h (TARGET_ASM_FILE_END): Define.

2011-12-15  Jakub Jelinek  <>

	PR c/51360
	* c-parser.c (c_parser_omp_clause_num_threads,
	c_parser_omp_clause_schedule): Call mark_exp_read.

2011-12-15  Romain Geissler  <>

	* builtins.def (BUILT_IN_STPNCPY_CHK): New definition.
	* builtins.c (expand_builtin, fold_builtin_4, maybe_emit_chk_warning):
	* gimple-fold.c (gimple_fold_builtin): Likewise.
	* tree-object-size.c (pass_through_call): Likewise.
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
	call_may_clobber_ref_p_1): Likewise.
	* tree-ssa-structalias.c (find_func_aliases_for_builtin_call,
	find_func_clobbers): Likewise.
	* tree.h (fold_builtin_strncpy_chk): Rename to fold_builtin_stxncpy_chk
	* builtins.c (fold_builtin_strncpy_chk): Likewise.
	Rewrite stpncpy_chk calls to strncpy_chk calls if returned value is

2011-12-15  Richard Guenther  <>

	PR lto/51567
	* gimple.c (compare_type_names_p): Also compare the TREE_CODE.
	(iterative_hash_name): Also hash the TREE_CODE.
	(gimple_types_compatible_p_1): For types with a TYPE_DECL
	name and a type DECL_CONTEXT recurse to that type.
	(iterative_hash_gimple_type): Likewise.

2011-12-15  Iain Sandoe  <>

	* config/rs6000/rs6000.c  (rs6000_emit_prologue): Move update of
	VRSave mask to save_world() when that is in use.

2011-12-15  Richard Guenther  <>

	* lto-wrapper.c (run_gcc): In non-parallel mode remove
	ltrans inputs immediately after processing them.  In parallel
	mode truncate the ltrans inputs in the make rule that processes
	them if temporary files are not to be preserved.

2011-12-15  Anatoly Sokolov  <>

	* config/arm/arm.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
	* config/arm/arm.c (arm_memory_move_cost, arm_register_move_cost):
	New functions.

2011-12-15  Richard Guenther  <>

	PR lto/51564
	STMT_IN_SSA_EDGE_WORKLIST): Remove no longer existing flag
	uses documentation.
	(TREE_ASM_WRITTEN): Update documentation to mention its use
	on TYPE_DECLs from debug info generation.
	* tree-streamer-out.c (pack_ts_base_value_fields): Stream
	TREE_ASM_WRITTEN as always zero for TYPE_DECLs, similar to
	all other types.

2011-12-15  Georg-Johann Lay  <>

	PR target/51050
	* config/avr/avr.c (expand_epilogue): Don't build SUBREG of fp.
	(avr_prologue_setup_frame): Ditto.

2011-12-15  Jakub Jelinek  <>

	PR debug/51517
	* tree-ssa-coalesce.c (coalesce_ssa_name): For !optimize, test

2012-12-15  Richard Guenther  <>

	PR lto/48437
	* lto-streamer-out.c (tree_is_indexable): Exclude block-local
	extern declarations.

	PR lto/48508
	PR lto/48437
	* tree-streamer-out.c (streamer_write_chain): Stream DECL_EXTERNAL
	VAR_DECLs and FUNCTION_DECLs locally.

2011-12-14  Richard Henderson  <>

	* config/arm/ (*addsi3_compare0_scratch): Set predicable.
	(*compare_negsi_si, *compare_addsi2_op0): Likewise.
	(*compare_addsi2_op1, *zeroextractsi_compare0_scratch): Likewise.
	(*compareqi_eq0, *arm_cmpsi_insn, *arm_cmpsi_negshiftsi_si): Likewise.

2011-12-14  Richard Guenther  <>

	* tree-cfg.c (replace_uses_by): Fixup TREE_CONSTANT for
	propagating all kinds of constants.

2011-12-14  Richard Guenther  <>

	PR lto/51497
	* lto-streamer-in.c (lto_read_body): Fixup local types
	TYPE_CANONICAL and variant chain.

2011-12-14  Richard Guenther  <>

	* tree.c (free_lang_data_in_type): Do not clear fields
	dependent on debuginfo level setting.
	(find_decls_types_r): Use TYPE_STUB_DECL rathern than TREE_CHAIN.
	* tree.h (TYPE_STUB_DECL): Properly check that we access a type.

2011-12-14  Georg-Johann Lay  <>

	PR target/50931
	* config/avr/ (mulpsi3): New expander.
	(*umulqihipsi3, *umulhiqipsi3): New insns.
	(*mulsqipsi3.libgcc, *mulpsi3.libgcc): New insns.
	(mulsqipsi3, *mulpsi3): New insn-and-splits.
	(ashlpsi3): Turn to expander.  Move insn code to...
	(*ashlpsi3): ...this new insn.

2011-12-14  Richard Guenther  <>

	* tree-cfg.c (replace_uses_by): Only mark blocks altered
	that will make a difference.  Only recompute ADDR_EXPR
	invariantness if it could possibly have changed.  Do so
	before folding the statement.

2011-12-13  Eric Botcazou  <>

	* lto-streamer-out.c (write_symbol): Use proper 64-bit host type.
	* lto-cgraph.c (input_cgraph_opt_section): Use 'int' for offsets.
	* lto-streamer-in.c (lto_read_body): Likewise.
	(lto_input_toplevel_asms): Likewise.
	* lto-section-in.c (lto_create_simple_input_block): Likewise.
	* ipa-inline-analysis.c (inline_read_section): Likewise.
	* ipa-prop.c (ipa_prop_read_section): Likewise.

	* df.h (DF_NOTE): Fix typo in comment.

2011-12-13  Aldy Hernandez  <>

	* trans-mem.c (ipa_tm_create_version_alias): Set DECL_CONTEXT and

2011-12-13  Andreas Krebbel  <>

	* regmove.c (fixup_match_2): Only access call_used_regs with hard regs.

2011-12-13  Andrew Pinski  <>
	    Adam Nemet  <>

	* config/mips/mips-cpus.def: Add Octeon2.
	* config/mips/mips-tables.opt: Regenerate.
	* config/mips/ (define_attr "cpu"): Add Octeon2.
	* config/mips/driver-native.c (host_detect_local_cpu): Support Octeon2.
	* config/mips/ (octeon_arith): Add Octeon2.
	(octeon_condmove): Likewise.
	(octeon_load): Rename to ..
	(octeon_load_o1): this.
	(octeon_load_o2): New reserve.
	(octeon_cop_o2): New reserve.
	(octeon_store):  Match Octeon2 also.
	(octeon_brj): Rename to ..
	(octeon_brj_o1): this.
	(octeon_brj_o2): New reserve.
	(octeon_imul3): Rename to ...
	(octeon_imul3_o1): this.
	(octeon_imul3_o2): New reserve.
	(octeon_imul): Rename to ...
	(octeon_imul_o1): this.
	(octeon_imul_o2): New reserve.
	(octeon_mfhilo): Rename to ...
	(octeon_mfhilo_o1): This.
	(octeon_mfhilo_o2): New reserve.
	(octeon_imadd): Rename to ...
	(octeon_imadd_o1): this.
	(octeon_imadd_o2): New reserve.
	(octeon_idiv): Rename to ..
	(octeon_idiv_o1): This.
	(octeon_idiv_o2_si): New reserve.
	(octeon_idiv_o2_di): Likewise.
	(octeon_unknown): Match Octeon2 also.
	* config/mips/mips.c (mips_rtx_cost_data): Add Octeon2 cost data.
	(mips_issue_rate): Octeon2 can issue 2 at a time.
	* config/mips/mips.h (TARGET_OCTEON): Match Octeon2 also.
	(TARGET_OCTEON2): New define.
	(TUNE_OCTEON): Match Octeon2 also.

2011-12-13  Richard Henderson  <>

	* config/sparc/tso.h: New file.
	* config.gcc (sparc-*-linux*, sparc*-*-solaris2*): Use it.
	* config/sparc/sparc.c (sparc_option_override): Honor
	* config/sparc/sparc.h (SUBTARGET_DEFAULT_MEMORY_MODEL): New.

2011-12-13  Aldy Hernandez  <>

	PR middle-end/51443
	* trans-mem.c (struct diagnose_tm): Remove saw_unsafe.
	(diagnose_tm_1): Same.
	(ipa_tm_execute): Do not test tm_may_enter_irr before we set it.
	(ipa_tm_scan_irr_function): Return gracefully when no
	(ipa_tm_scan_irr_block): Believe the user on TM attributes.

2011-12-13  Martin Jambor  <>

	PR middle-end/50628
	* tree-sra.c (propagate_subaccesses_across_link): Do not propagate
	sub-accesses of scalar accesses.

2011-12-13  Martin Jambor  <>

	PR tree-optimization/51362
	* ipa-cp.c (estimate_local_effects): When estimated size of a
	specialized clone is zero, bump it to one.

2011-12-13  Richard Guenther  <>

	PR lto/48354
	* tree.c (find_decls_types_r): Also walk DECL_ORIGINAL_TYPE.
	* tree-streamer-in.c (lto_input_ts_decl_non_common_tree_pointers):
	* tree-streamer-out.c (write_ts_decl_non_common_tree_pointers):

2011-12-13  Jakub Jelinek  <>

	2011-12-12  Jakub Jelinek  <>

	PR tree-optimization/51481
	* gimple-fold.c (gimple_fold_call): Call
	maybe_clean_or_replace_eh_stmt.  Avoid optimization if stmt has EH
	edges, but gimple_fold_builtin result can't throw.

2011-12-13  Jakub Jelinek  <>
	    Michael Matz  <>

	PR tree-optimization/51117
	* tree-eh.c (sink_clobbers): New function.
	(execute_lower_eh_dispatch): Call it for BBs ending with
	internally throwing RESX.
	* cfgexpand.c (add_scope_conflicts_1): Add all conflicts only
	at the first real instruction.

2011-12-13  Tristan Gingold  <>

	* final.c (final_scan_insn): Guard the call to begin_epilogue
	debug hook.

2011-12-13  Tristan Gingold  <>

	* vmsdbgout.c (vmsdbgout_write_source_line): New function.
	(vmsdbgout_end_prologue): Call vmsdbgout_write_source_line.
	(vmsdbgout_begin_epilogue): Likewise.
	(vmsdbgout_end_epilogue): Likewise.
	(vmsdbgout_source_line): Move code to vmsdbgout_write_source_line.

2011-12-13  Richard Guenther  <>

	PR middle-end/51481
	* tree-cfg.c (replace_uses_by): Pass proper arguments to

2011-12-13  Richard Guenther  <>

	PR tree-optimization/51519
	* ipa-inline.c (edge_badness): Use edge growth in non-guessed
	branch probability case as well.

2011-12-13  Revital Eres  <>

	* modulo-sched.c (mark_loop_unsched): Free bbs.

2011-12-12  Jakub Jelinek  <>

	PR rtl-optimization/51495
	* function.c (thread_prologue_and_epilogue_insns): Don't add
	to bb_tail basic blocks that have EDGE_COMPLEX predecessor edges
	from basic blocks not needing prologue.

	PR tree-optimization/51481
	* gimple-fold.c (gimple_fold_call): Call
	maybe_clean_or_replace_eh_stmt.  Avoid optimization if stmt has EH
	edges, but gimple_fold_builtin result can't throw.

2011-12-12  Vladimir Makarov  <>

	PR rtl-optimization/21617
	* ira-color.c (bucket_allocno_compare_func): Don't compare
	allocno classes.  Compare number of hard registers needed.

2011-12-12  Eric Botcazou  <>

	PR tree-optimization/50569
	* tree-sra.c (build_ref_for_model): Replicate a chain of COMPONENT_REFs
	in the expression of MODEL instead of just the last one.

2011-12-12  Jakub Jelinek  <>

	PR middle-end/51510
	* calls.c (internal_arg_pointer_based_exp_scan): Don't use
	VEC_safe_grow_cleared if idx is smaller than VEC_length.

2011-12-12  Richard Sandiford  <>

	PR middle-end/50873
	* optabs.c (maybe_legitimize_operand_same_code): Use copy_to_mode_reg
	instead of force_reg.  Do nothing if the address is already a
	non-virtual pseudo register.

2011-12-12  Torvald Riegel  <>

	* gimplify.c (voidify_wrapper_expr): Add default handling for
	outermost wrapper.

2011-12-12  Torvald Riegel  <>

	* tree-ssa-tail-merge.c (gimple_equal_p): Don't treat transaction
	commits as equal.

2011-12-12  Iain Sandoe  <>

	* config/darwin-sections.def (zobj_const_data_section): Fix over-
	length section name.

2011-12-11  Richard Henderson  <>

	* config/rs6000/rs6000.c (rs6000_expand_interleave): Use

2011-12-11  Jakub Jelinek  <>

	PR tree-optimization/51485
	* tree-vect-data-refs.c (vect_analyze_data_refs): Give up on
	DRs in call stmts.

2011-12-11  Patrick Marlier  <>

	* trans-mem.c (ipa_tm_transform_calls_redirect): Do not remove edge.

2011-12-10  Richard Henderson  <>

	* config/rs6000/ (altivec_vmrghb): Rewrite pattern as
	vec_select + vec_concat.
	(altivec_vmrghh, altivec_vmrghw, altivec_vmrghsf, altivec_vmrglb,
	altivec_vmrglh, altivec_vmrglw, altivec_vmrglsf): Likewise.
	(vec_perm_constv16qi): New.
	(vec_extract_evenv4si, vec_extract_evenv4sf, vpkuhum_nomode,
	vpkuwum_nomode, vec_extract_oddv8hi, vec_extract_oddv16qi,
	vec_interleave_high<VI>, vec_interleave_low<VI>): Remove.
	* config/rs6000/ (paired_merge00): Rewrite pattern as
	vec_select + vec_concat.
	(paired_merge10, paired_merge01, paired_merge11): Likewise.
	(vec_perm_constv2sf): New.
	(vec_interleave_highv2sf, vec_interleave_lowv2sf,
	vec_extract_evenv2sf, vec_extract_oddv2sf): Remove.
	* config/rs6000/ (spe_evmergehi): Rewrite pattern as
	vec_select + vec_concat.
	(spe_evmergehilo, spe_evmergelo, spe_evmergelohi): New.
	(vec_perm_constv2si): New.
	* config/rs6000/ (vec_interleave_highv4sf,
	vec_interleave_lowv4sf, vec_interleave_high<VEC_64>,
	vec_interleave_low<VEC_64>): Remove.
	* config/rs6000/ (VS_double): New mode attribute.
	(vsx_xxpermdi_<VSX_L>_1): Rewrite pattern as vec_select + vec_concat.
	(vsx_xxmrghw_<VSX_W>, vsx_xxmrglw_<VSX_W>): Likewise.
	(vsx_xxpermdi_<VSX_L>): Change to expander.
	(vec_perm_const<VSX_D>): New.
	(vsx_mergel_<VSX_D>, vsx_mergeh_<VSX_D>): New.
	* config/rs6000/ (const_0_to_1_operand): New.
	(const_2_to_3_operand): New.
	* config/rs6000/rs6000.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): New.
	(altivec_expand_vec_perm_const): New.
	(rs6000_expand_vec_perm_const_1, rs6000_expand_vec_perm_const): New.
	(rs6000_vectorize_vec_perm_const_ok): New.
	(rs6000_do_expand_vec_perm): New.
	(rs6000_expand_extract_even, rs6000_expand_interleave): New.
	* config/rs6000/rs6000-builtin.def (VEC_MERGE*): Update rtx codes.
	* config/rs6000/rs6000-modes.def: Add double-wide vector modes.
	* config/rs6000/rs6000-protos.h: Update.

2011-12-10  Richard Henderson  <>

	* expr.c (expand_expr_real_2) [VEC_PERM_EXPR]: Avoid passing a
	CONST_INT to expand_vec_perm as the selector.
	* optabs.c (expand_vec_perm): Assert the selector is of a proper mode.

2011-12-10  Richard Henderson  <>

	* genmodes.c (struct mode_data): Remove wider_2x member.
	(blank_mode): Adjust initializer.
	(calc_wider_mode): Use XALLOCAVEC.
	(emit_move_wider): Select double-width same-element vectors for
	2xwider vectors.
	* machmode.h (GET_MODE_2XWIDER_MODE): Update documentation.
	* config/i386/i386.c (doublesize_vector_mode): Remove.
	(expand_vselect_vconcat): Use GET_MODE_2XWIDER_MODE instead.

2011-12-10  Joern Rennecke  <>

	* config/epiphany/epiphany.h (USE_LOAD_POST_INCREMENT): Define.

	* config/epiphany/epiphany.h (EPIPHANY_RETURN_REGNO): New macro,
	broken out of ..

	* config/epiphany/epiphany-protos.h (epiphany_start_function): Declare.
	* config/epiphany/epiphany.c (epiphany_handle_interrupt_attribute):
	Split "timer" value into "timer0" and "timer1".
	Handle page_miss, message and wand.  Don't handle static_flag.
	Adjust warning text.
	(epiphany_start_function): New function.
	(epiphany_compute_function_type): Split "timer" value into "timer0"
	and "timer1".  Handle page_miss, message and wand.
	Don't handle static_flag.
	(epiphany_expand_epilogue): Don't use frame_insn for status / iret
	* config/epiphany/epiphany.h: ASM_DECLARE_FUNCTION_NAME: Define.
	(enum epiphany_function_type):

2011-12-10  Nathan Sidwell  <>

	PR gcov-profile/51449
	* coverage.c (coverage_end_function): Always process the coverage

2011-12-09  Aldy Hernandez  <>

	* tree.c (build_common_builtin_nodes): Do not use TM_PURE
	attribute unless language has support for TM.
	* config/i386/i386.c (ix86_init_tm_builtins): Exit gracefully in
	the absence of TM builtins.

2011-12-09  Eric Botcazou  <>

	* gimple-fold.c (gimple_fold_stmt_to_constant_1) <GIMPLE_UNARY_RHS>:
	Also check the TYPE_MODE to recognize useless pointer conversions.

2011-12-09  Jakub Jelinek  <>

	PR tree-optimization/51117
	* tree-eh.c (optimize_clobbers): Don't remove just one
	clobber, but all consecutive clobbers before RESX.
	Use gimple_clobber_p predicate.

2011-12-09  Michael Meissner  <>

	* config/rs6000/rs6000.c (altivec_expand_builtin): Call
	expand_call to return a valid funciton instead of return
	cosnt0_rtx/NULL_RTX if there was an error with the builtin.
	(altivec_expand_ld_builtin): Ditto.
	(rs6000_inner_target_options): If VSX is selected as a target
	attribute or pragma, enable ALTIVEC also.
	(rs6000_pragma_target_parse): Call rs6000_option_override_internal
	to do all of the standard processing when switching options,
	including redefining appropriate macros.

	PR rtl-optimization/51469
	* varasm.c (default_binds_local_p_1): If the symbol is a gnu
	indirect function, mark the symbol as non-local.

2011-12-09  H.J. Lu  <>

	PR bootstrap/51479
	* (errors.o): Restored.

2011-12-09  Richard Guenther  <>

	PR lto/48042
	* tree.c (free_lang_data_in_decl): Remove freeing conditional
	on debuginfo level.

2011-12-09  Joern Rennecke  <>

	PR middle-end/40154
	* emit-rtl.c (set_dst_reg_note): New function.
	* rtl.h (set_dst_reg_note): Declare.
	* optabs.c (expand_binop, expand_absneg_bit): Use set_dst_reg_note.
	(emit_libcall_block, expand_fix): Likewise.
	* function.c (assign_parm_setup_reg, expand_function_start): Likewise.
	* expmed.c (expand_mult_const, expand_divmod): Likewise.
	* reload1.c (gen_reload): Likewise.

	* dse.c (get_stored_val, get_call_args): Use gen_int_mode.
	* expmed.c (expand_divmod): Likewise.
	* combine.c (simplify_if_then_else): Likewise.

2011-12-09  Kai Tietz  <>

	* ira-color.c (print_hard_regs_subforest): Use
	HOST_WIDEST_INT_PRINT_DEC instead of %lld.
	(allocno_hard_regs): Change type of cost member to HOST_WIDEST_INT.
	(add_allocno_hard_regs): Change type of argument cost
	* ira-conflict.c (build_conflict_bit_table): Replace use
	of long-long by HOST_WIDEST_INT.

2011-12-09  Georg-Johann Lay  <>

	PR target/51425
	* config/avr/ (config/avr/, *sbix_branch_tmp): Use
	zero_extract:QIHI instead of zero_extract:HI.

2011-12-09  Jakub Jelinek  <>
	    Andrew Pinski  <>

	PR tree-optimization/51117
	* tree-eh.c (optimize_clobbers): New function.
	(execute_lower_eh_dispatch): Call it.

2011-12-09  Richard Guenther  <>

	PR tree-optimization/51482
	* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
	Make sure to only create REAL_TYPE and INTEGER_TYPE component vectors.

2011-12-09  Kai Tietz  <>

	* implicit-zee.c (num_realized): Change type to long.
	(num_ze_opportunities): Likewise.

2011-12-08  Andrew Pinski  <>

	* config/mips/mips-cpus.def (octeon+): New CPU.
	* config/mips/mips-tables.opt: Regenerate.
	* config/mips/mips.h (MIPS_CPP_SET_PROCESSOR): Emit '+' as 'P'.

2011-12-08  Bill Schmidt  <>

	PR middle-end/39976
	* tree-ssa-dom.c (enum expr_kind): Add EXPR_PHI.
	(struct hashable_expr): Add struct phi field.
	(initialize_hash_element): Handle phis; change to use XCNEWVEC.
	(hashable_expr_equal_p): Handle phis.
	(iterative_hash_hashable_expr): Likewise.
	(print_expr_hash_elt): Likewise.
	(free_expr_hash_elt): Likewise.
	(dom_opt_enter_block): Create equivalences from redundant phis.
	(eliminate_redundant_computations): Handle redundant phis.
	(lookup_avail_expr): Handle phis.

2011-12-08  Jakub Jelinek  <>

	PR tree-optimization/51466
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also copy

2011-12-08  Richard Guenther  <>

	* tree-ssa-operands.c (add_stmt_operand): Do not mark stmts
	volatile when processing operands of an ADDR_EXPR.
	(get_indirect_ref_operands): Likewise.
	(get_tmr_operands): Likewise.
	(get_expr_operands): Likewise.

2011-12-08  Andreas Krebbel  <>

	PR target/50395
	* config/s390/s390.c (s390_mainpool_finish): Emit the jump over
	the literal pool as jump insn.

2011-12-08  Richard Guenther  <>

	PR tree-optimization/49772
	* tree-inline.c (optimize_inline_calls): Remove bail out on errors.

2011-12-08  Richard Guenther  <>

	PR lto/50747
	* lto-streamer-out.c (produce_symtab): Remove asserts.

2011-12-08  Richard Guenther  <>

	PR lto/49945
	* lto-streamer-out.c (tree_is_indexable): Localize variably
	modified types and their FIELD_DECLs.

2011-12-08  Eric Botcazou  <>

	PR tree-optimization/51315
	* tree.h (get_object_or_type_alignment): Declare.
	* expr.c (get_object_or_type_alignment): Move to...
	* builtins.c (get_object_or_type_alignment):  Add assertion.
	* tree-sra.c (tree_non_mode_aligned_mem_p): Rename to...
	(tree_non_aligned_mem_p): ...this.  Add ALIGN parameter.  Look into
	MEM_REFs and use get_object_or_type_alignment for them.
	(build_accesses_from_assign): Adjust for above change.
	(access_precludes_ipa_sra_p): Likewise.

2011-12-08  Richard Guenther  <>

	PR lto/48437
	* lto-streamer-out.c (tree_is_indexable): Exclude block-local
	extern declarations.

2011-12-07  Andrew Pinski  <>

	PR middle-end/45416
	* expr.c (do_store_flag): Rewrite code that looks for BIT_AND_EXPR for

2011-12-07  Richard Guenther  <>

	PR tree-optimization/50823
	* ipa-inline.c (edge_badness): Do not account for the number of
	remaining calls.

2011-12-07  Martin Jambor  <>

	PR tree-optimization/50744
	* ipa-cp.c (good_cloning_opportunity_p): Assert size_cost is positive,
	compute evaluation in HOST_WIDEST_INT.
	(safe_add): New function
	(propagate_effects): Use safe_add to accumulate effects.

2011-12-06  Joel Sherrill <>

	* config/rs6000/rtems.h: Switch to using global_options_set

2011-12-06  David S. Miller  <>

	* config/sparc/visintrin.h: Add appropriate __VIS__ cpp protection.

2011-12-06  Georg-Johann Lay  <>

	* config/avr/avr.c (avr_file_start): Fix missing ,

2011-12-06  Jakub Jelinek  <>

	PR target/51354
	* config/i386/i386.c (ix86_emit_leave): Call ix86_add_cfa_restore_note

2011-12-06  Georg-Johann Lay  <>

	Forward-port from gcc-4_6-branch r181936 2011-12-02.
	* config/avr/avr-mcus.def (avr_mcu_types): ATtiny4313 and
	AT86RF401 have a 16-bit SP (their manual is bogus).

2011-12-06  Georg-Johann Lay  <>

	Forward-port from gcc-4_6-branch r181936 2011-12-02.

	PR target/51002
	* config/avr/ (movhi_sp_r): Set insn condition to
	* config/avr/avr.c (output_movhi): Use "clr%B0" instead of "in
	%B0,__SP_H__" if AVR_HAVE_8BIT_SP.
	(avr_file_start): Only print "__SP_H__ = 0x3e" if !AVR_HAVE_8BIT_SP.

2011-12-06  Georg-Johann Lay  <>

	PR target/51409
	PR target/49868
	* config/avr/avr.h (ADDR_SPACE_PGM, ADDR_SPACE_PGM1,
	(avr_addrspace_t): New typedef.
	(avr_addrspace): New declaration.
	* config/avr/avr-c.c (avr_toupper): New static function.
	(avr_register_target_pragmas, avr_cpu_cpp_builtins): Use
	avr_addrspace to get address space information.
	* config/avr/avr.c (avr_addrspace): New variable.
	(avr_out_lpm, avr_pgm_check_var_decl, avr_insert_attributes,
	avr_asm_named_section, avr_section_type_flags,
	avr_asm_select_section, avr_addr_space_address_mode,
	avr_addr_space_convert, avr_emit_movmemhi): Use it.
	(avr_addr_space_pointer_mode): Forward to avr_addr_space_address_mode.
	(avr_pgm_segment): Remove.

2011-12-06  Richard Guenther  <>

	PR middle-end/50601
	* varasm.c (assemble_alias): Move DECL_EXTERNAL implementation
	quirk adjustjment ...
	* passes.c (rest_of_decl_compilation): ... here.

2011-12-06  Richard Guenther  <>

	PR middle-end/51436
	* gimple-fold.c (gimplify_and_update_call_from_tree): Guard vdef check
	for the fact we do not have virtual operands when not optimizing.

2011-12-06  Richard Guenther  <>

	PR tree-optimization/51245
	* tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
	New function.
	(vn_reference_lookup_3): Use it.  Properly valueize all refs we create.

2011-12-06  Iain Sandoe  <>

	* config/rs6000/rs6000.c (darwin_rs6000_override_options): Initialize

2011-12-06  Richard Guenther  <>

	PR tree-optimization/51363
	* gimple.c (gimple_rhs_has_side_effects): Remove.
	* gimple.h (gimple_rhs_has_side_effects): Likewise.
	* tree-ssa-dom.c (optimize_stmt): Simplify conditional.

2011-12-06  Alan Modra  <>

	PR target/50906
	* config/rs6000/rs6000.c (rs6000_emit_prologue <TARGET_SPE_ABI>):
	Do not mark r11 setup as frame-related.  Pass correct offset to
	rs6000_emit_savres_rtx.  Correct out-of-line rs6000_frame_related
	arguments.  Correct sp_offset.  Remove "offset" fudge from
	in-line rs6000_frame_related call.  Rename misleading variable.
	Fix comments and whitespace.  Tidy some expressions.
	(rs6000_emit_epilogue <TARGET_SPE_ABI>): Always set frame_reg_rtx
	to r11 in out-of-line case.  Correct sp_offset.  Pass correct
	offset to rs6000_emit_savres_rtx.  Rename misleading variable.
	Fix comments and whitespace.  Tidy some expressions.
	(rs6000_emit_epilogue <non-TARGET_SPE_ABI>): Add sp_offset
	adjustment when !saving_GPRs_inline.  Correct register mode
	used in address calcs.
	(rs6000_emit_epilogue <non-TARGET_SPE_ABI>): Similarly when

2011-12-06  Ramana Radhakrishnan  <>

	* config/arm/ (*combine_vcvt_f64_<FCVTI32typename>): Fix
	formatting character for vmov.f64 case.

2011-12-05  Jakub Jelinek  <>

	PR tree-optimization/51396
	* tree-ssa-math-opts.c (convert_mult_to_fma): Don't optimize
	if MUL_RESULT has zero uses.

	PR debug/51410
	* c-decl.c (pop_scope): Don't add DECL_EXTERNAL decls
	for debug info if scope is file_scope.

	PR c/51339
	* c-decl.c (c_finish_incomplete_decl, finish_decl): Call
	relayout_decl instead of layout_decl.

2011-12-05  Richard Sandiford  <>

	* resource.c (init_resource_info): Only consider EXIT_IGNORE_STACK
	if there is in epilogue.

2011-12-05  Richard Sandiford  <>

	* optabs.c (maybe_emit_sync_lock_test_and_set): Pass a null target
	to emit_library_call_value.
	(expand_atomic_compare_and_swap): Likewise.

2011-12-05  Vladimir Makarov  <>

	PR other/50775
	* ira-int.h (struct ira_object): Remove add_data.

	* ira-build.c (ira_create_object): Remove OBJECT_ADD_DATA

	* ira-color.c (object_hard_regs_t, object_hard_regs): Rename to
	allocno_hard_regs_t, allocno_hard_regs.
	(object_hard_regs_node_t, object_hard_regs_node): Rename to
	allocno_hard_regs_node_t and allocno_hard_regs_node.
	(struct allocno_color_data): Add new member last_process.  Move
	profitable_hard_regs, hard_regs_node, and hard_regs_subnodes_start
	from object_color_data.
	(object_color_data_t, object_color_data, OBJECT_COLOR_DATA): Remove.
	(curr_allocno_process): New static variable.
	(object_hard_regs_eq, object_hard_regs_htab): Rename to
	allocno_hard_regs_eq and allocno_hard_regs_htab.
	(init_object_hard_regs, finish_object_hard_regs): Rename to
	init_allocno_hard_regs and finish_allocno_hard_regs.
	(object_hard_regs_compare, object_hard_regs_node_t): Rename to
	allocno_hard_regs_compare and allocno_hard_regs_node_t.
	(create_new_object_hard_regs_node): Rename to
	(add_new_object_hard_regs_node_to_forest): Rename to
	(add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
	Rename to add_allocno_hard_regs_to_forest and
	(setup_object_hard_regs_nodes_parent): Rename to
	(remove_unused_object_hard_regs_nodes): Rename to
	(enumerate_object_hard_regs_nodes, object_hard_regs_nodes_num):
	Rename to enumerate_allocno_hard_regs_nodes and
	(object_hard_regs_nodes, object_hard_regs_subnode_t): Rename to
	allocno_hard_regs_nodes and allocno_hard_regs_subnode_t.
	(object_hard_regs_subnode, object_hard_regs_subnodes): Rename to
	allocno_hard_regs_subnode and allocno_hard_regs_subnodes.
	(object_hard_regs_subnode_index): Rename to
	(setup_object_hard_regs_subnode_index): Rename to
	(get_object_hard_regs_subnodes_num): Rename to
	(form_object_hard_regs_nodes_forest): Rename to
	(finish_object_hard_regs_nodes_tree): Rename to
	(finish_object_hard_regs_nodes_forest): Rename to
	(setup_left_conflict_sizes_p): Use allocno data instead of object ones.
	Process conflict allocnos once.
	(update_left_conflict_sizes_p): Use allocno data instead of object
	ones.  Change prototype signature.
	(empty_profitable_hard_regs): Use allocno data instead of object ones.
	(setup_profitable_hard_regs): Ditto.
	(get_conflict_profitable_regs): Rename to
	get_conflict_and_start_profitable_regs.  Use allocno data for
	profitable regs calculation.
	(check_hard_reg_p): Change prototype signature.  Check profitable
	regs for allocno not the objects.
	(assign_hard_reg): Process conflict allocnos only once for
	updating conflict costs.
	(setup_allocno_available_regs_num): Use allocno data instead of
	object ones.  Modify debug output.
	(color_pass): Remove initialization and finalization of object
	color data.

2011-12-05  Kazu Hirata  <>

	PR target/51408
	* config/arm/ (*minmax_arithsi): Always require the else
	clause in the MINUS case.

2011-12-05  Richard Guenther  <>

	PR tree-optimization/50904
	* tree-ssa-loop-im.c (struct mem_ref): Remove vops member.
	(memory_references): Remove clobbered_vops and vop_ref_map
	members, add all_refs_stored_in_loop member.
	(memref_free): Adjust.
	(mem_ref_alloc): Likewise.
	(gather_mem_refs_stmt): Do not record clobbers, instead
	record refs for unanalyzable stmts.
	(gather_mem_refs_in_loops): Do not propagate clobbers.
	(struct vop_to_refs_elt, vtoe_hash, vtoe_eq, vtoe_free,
	record_vop_access, get_vop_accesses, get_vop_stores,
	add_vop_ref_mapping): Remove.
	(create_vop_ref_mapping_loop): Adjust to simply record all stores.
	(analyze_memory_references): Adjust.
	(refs_independent_p): Check for not analyzable refs.
	(can_sm_ref_p): Likewise.
	(ref_indep_loop_p_1): Simplify.
	(tree_ssa_lim_finalize): Adjust.

	* tree-ssa-loop-im.c (stmt_cost): Simplify, use LIM_EXPENSIVE
	rather than magic constants.  Assign zero cost to PAREN_EXPR
	and SSA_NAME copies.  Assign cost proportional to the vector
	size for vector constructors.

2011-12-05  Richard Guenther  <>

	* tree-ssa-alias.h (struct ao_ref_s): Add volatile_p field.
	* tree-ssa-alias.c (ao_ref_init): Initialize it.
	(ao_ref_init_from_ptr_and_size): Likewise.
	(refs_may_alias_p_1): Two volatile accesses conflict.
	(ref_maybe_used_by_call_p_1): Likewise.
	(call_may_clobber_ref_p_1): Likewise.
	* tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Initialize
	volatile_p field.

2011-12-05  Richard Guenther  <>

	* tree-ssa.c (verify_ssa): Verify SSA names in the loop over all SSA
	names.  Remove SSA operand checking, call verify_ssa_operands.
	* tree-ssa-operands.h (verify_ssa_operands): Declare.
	* tree-ssa-operands.c (verify_ssa_operands): New function.

2011-12-05  Ramana Radhakrishnan  <>

	* config/arm/arm.c (vfp3_const_double_for_fract_bits): Define.
	* config/arm/arm-protos.h (vfp3_const_double_for_fract_bits): Declare.
	* config/arm/ ("Dt"): New constraint.
	* config/arm/
	(const_double_vcvt_power_of_two_reciprocal): New.
	* config/arm/ (FCVTI32typename): New.
	(FCVT): New iterator.
	(*combine_vcvt_f32_<FCVTI32typename>): New.
	(*combine_vcvt_f64_<FCVTI32typename>): New.

2011-12-05  Richard Guenther  <>

	* cgraph.c (cgraph_create_edge_1): Initialize
	call_stmt_cannot_inline_p from the stmt if possible.
	(cgraph_make_edge_direct): Likewise.
	* gimple-streamer-in.c (input_gimple_stmt): Do not
	call gimple_call_set_cannot_inline.
	* gimple.h (enum gf_mask): Remove GF_CALL_CANNOT_INLINE, shift values.
	(gimple_call_set_cannot_inline): Remove.
	(gimple_call_cannot_inline_p): Likewise.
	* ipa-inline-analysis.c (initialize_inline_failed): Look
	at the edge call_stmt_cannot_inline_p flag.
	* ipa-inline.c (can_inline_edge_p): Likewise.
	(early_inliner): Only update the edge flag.
	* ipa-prop.c (update_indirect_edges_after_inlining): Likewise.
	(ipa_modify_call_arguments): Do not call gimple_call_set_cannot_inline.
	* cgraphunit.c (assemble_thunk): Likewise.
	* gimple-fold.c (gimple_fold_call): Likewise.

	* tree.h (CALL_CANNOT_INLINE_P): Remove.
	* tree-mudflap.c (mf_xform_statements): Do not modify alloca calls.
	* builtins.c (expand_builtin_alloca): With -fmudflap do not expand
	alloca calls inline.
	* cfgexpand.c (expand_call_stmt): Do not set CALL_CANNOT_INLINE_P.
	* gimple.c (gimple_build_call_from_tree): Do not read
	* gimplify.c (gimplify_call_expr): Do not copy CALL_CANNOT_INLINE_P.

2011-12-05  Jakub Jelinek  <>
	    Eric Botcazou  <>

	PR middle-end/51323
	PR middle-end/50074
	* calls.c (internal_arg_pointer_exp_state): New variable.
	internal_arg_pointer_exp_scan): New functions.
	(internal_arg_pointer_based_exp): New function.
	(mem_overlaps_already_clobbered_arg_p): Use it.
	(expand_call): Free internal_arg_pointer_exp_state.cache vector
	and clear internal_arg_pointer_exp_state.scan_start.

2011-12-04  Kaz Kojima  <>

	* config/sh/linux.h (TARGET_DEFAULT): Add MASK_SOFT_ATOMIC.
	* config/sh/ New file.
	* config/sh/ Include
	* config/sh/sh.opt (msoft-atomic): New option.
	* doc/invoke.texi (SH Options): Document it.

2011-12-04  Nathan Sidwell  <>

	* gcov-io.h (struct gcov_info): Replace trailing array with
	pointer to array.
	* profile.c (branch_prob): Only call renamed
	coverage_begin_function once.
	* coverage.h (coverage_begin_output): Rename to ...
	(coverage_begin_function): ... here.
	* coverage.c (struct function_list): Rename to ...
	(struct coverage_data): ... this.  Update all uses.
	(gcov_info_var, gcov_fn_info_type, gcov_fn_info_ptr_type): New globals.
	(bbg_file_opened, bbg_function_announced): Remove.
	(get_coverage_counts): Adjust message.
	(coverage_begin_ouput): Rename to ...
	(coverage_begin_function): ... here.  Move file opening to
	coverage_init.  Adjust for being called only once.
	(coverage_end_function): Remove bbg file and inhibit further
	output here on error.
	(build_info_type): Adjust for change to pointer to array.
	(build_info): Receive array of function pointers and adjust.
	(create_coverage): Break into ...
	(coverage_obj_init, coverage_obj_fn, coverage_obj_finish):
	... these, and adjust.
	(coverage_init): Open the notes file here.  Tidy.
	(coverage_finish): Call coverage_obj_init etc.

2011-12-04  Ira Rosen  <>

	PR middle-end/51285
	* tree-vect-loop.c (vect_create_epilog_for_reduction): Create exit
	phi nodes for outer loop in case of double reduction.

2011-12-04  Jérémie Detrey  <>

	PR target/51393
	* config/i386/avxintrin.h (_mm256_insert_epi64): Declare second
	parameter as long long.

2011-12-04  Richard Sandiford  <>

	PR middle-end/51351
	* optabs.c (init_sync_libfuncs): Use "or" rather than "ior"
	in the external names.

2011-12-03  Jack Howarth <>

	* config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Pass -no_pie for
	non-PIC code when targeting 10.7 or later.

2011-12-03  Iain Sandoe  <>

	* config/darwin.h (STARTFILE_SPEC): Do not use -lbundle1.o when
	Darwin >= 10.
	(DARWIN_DYLIB1_SPEC): Do not use -ldylib1.10.5.o when Darwin >= 10.
	(DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10.

2011-12-03  Jakub Jelinek  <>

	* fold-const.c (fold_unary_loc): Fold VEC_UNPACK_LO_EXPR,
	(fold_binary_loc): Fold VEC_PACK_TRUNC_EXPR,
	and VEC_WIDEN_MULT_HI_EXPR with VECTOR_CST arguments.

	PR debug/50317
	* tree-ssa.c (target_for_debug_bind): Also allow is_gimple_reg_type
	vars that aren't referenced.
	(tree-ssa-live.c (remove_unused_locals): Don't clear TREE_ADDRESSABLE
	of unreferenced local vars.
	* cfgexpand.c (expand_debug_expr): For DEBUG_IMPLICIT_PTR allow also
	TREE_ADDRESSABLE vars that satisfy target_for_debug_bind.

2011-12-03  Anatoly Sokolov  <>

	* config/arm/arm.h (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove.
	* config/arm/arm-protos.h (aapcs_libcall_value): Remove.
	* config/arm/arm.c (TARGET_FUNCTION_VALUE_REGNO_P): Define.
	(arm_libcall_value_1, arm_function_value_regno_p): New function.
	(arm_function_value, arm_libcall_value): Use arm_libcall_value_1.
	(aapcs_libcall_value): Make static.
	(arm_libcall_value): Add static qualifier.

2011-12-02  Jakub Jelinek  <>

	PR target/51387
	* config/i386/ (mul<mode>3 with VI1_AVX2 iterator): For
	V32QImode use { 0,2,..,14,32,34,..,46,16,18,..,30,48,50,..,62 }
	permutation instead of extract even permutation.

2011-12-02  Nathan Sidwell  <>

	* gcov.c (struct arc_info): Add is_throw field.
	(struct (block_info): Add exceptional field, reduce flags size to
	account for it.
	(struct function_info): Add has_catch field.
	(struct line_info): Add unexceptional field.
	(process_file): Call find_exception_blocks if necessary.
	(read_graph_file): Adjust.  Note if an exceptional edge is seen.
	(find_exception_blocks): New.
	(add_line_counts): Set line's unexceptional flag if not exceptional.
	(output_branch_count): Note exceptional arcs, lines and blocks.
	* gcov-dump.c (tag_arcs): Decode arc flags.
	* doc/gcov.texi: Document '=====' lines.

2011-12-02  Anatoly Sokolov  <>

	* config/ia64/ia64-protos.h (ia64_print_operand,
	ia64_print_operand_address): Remove.
	* config/ia64/ia64.c (TARGET_PRINT_OPERAND,
	(ia64_print_operand_punct_valid_p): New function.
	(ia64_print_operand, ia64_print_operand_address): Make static.

2011-12-02  Michael Meissner  <>

	PR target/51390
	* config/rs6000/rs6000.c (def_builtin): Use the correct field to
	figure out the function's attributes.
	(struct builtin_description): Mark mask field as const since we no
	longer need to modify it for SPE and PAIRED builtins.

2011-12-02  Joseph Myers  <>


	2008-09-18  Andrew Pinski  <>

	PR rtl-opt/37451
	* loop-doloop.c (doloop_modify): New argument zero_extend_p and
	zero extend count after the correction to it is done.
	(doloop_optimize): Update call to doloop_modify, don't zero extend
	count before call.

	2008-11-03  Andrew Pinski  <>

	PR rtl-opt/37782
	* loop-doloop.c (doloop_modify): Add from_mode argument that says what
	mode count is in.
	(doloop_optimize): Update call to doloop_modify.

2011-12-02  Richard Guenther  <>

	PR lto/47259
	* ipa.c (varpool_externally_visible_p): Register variables
	are always externally visible.

2011-12-02  Sameera Deshpande  <>

	* gimple-pretty-print.c (dump_gimple_call): Dereference fn only if

2011-12-02  Martin Jambor  <>

	PR tree-optimization/50622
	* tree-sra.c (load_assign_lhs_subreplacements): Force gimple operand
	if both lacc and racc are grp_partial_lhs.

2011-12-01  Kaz Kojima  <>

	PR target/50814.
	* config/sh/sh.c (expand_ashiftrt): Handle TARGET_SH2A same as
	(shl_sext_kind): Likewise.
	* config/sh/sh.h (SH_DYNAMIC_SHIFT_COST): Likewise.
	* config/sh/ (ashlsi3_sh2a, ashrsi3_sh2a, lshrsi3_sh2a): Remove.
	(ashlsi3_std): Handle TARGET_SH2A same as TARGET_SH3.
	(ashlsi3): Likewise.
	(ashrsi3_d): Likewise.
	(lshrsi3_d): Likewise.
	(lshrsi3): Likewise.

2011-12-01  Diego Novillo  <>

	PR bootstrap/51346
	* ipa-inline.c (can_inline_edge_p): If the edge E has a statement,
	use the statement's inline indicator instead of E's.
	Remove consistency check.

2011-12-01  Diego Novillo  <>

	PR bootstrap/51346

	2011-11-29  Diego Novillo  <>

	* gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.
	Update field call_stmt_cannot_inline_p from call
	graph edge, if needed.
	* gimple.h (gimple_call_set_cannot_inline): Move to gimple.c.

2011-12-01  Nathan Sidwell  <>

	PR gcov-profile/51113
	* coverage.c (build_var): Keep coverage variables static.

2011-12-01  Jakub Jelinek  <>

	PR tree-optimization/51356
	* tree-vect-patterns.c (vect_recog_bool_pattern): Give up if
	vectype doesn't have VECTOR_MODE_P.

	PR debug/50317
	* tree-ssa-dce.c (remove_dead_stmt): Add a debug stmt when removing
	as unnecessary a store to a variable with gimple reg type.
	* tree-ssa-live.c (remove_unused_locals): Clear TREE_ADDRESSABLE bit
	on local unreferenced variables.
	* cfgexpand.c (expand_gimple_basic_block): Don't emit DEBUG_INSNs
	for !target_for_debug_bind variables.

2011-12-01  Patrick Marlier  <>

	PR middle-end/51273
	* cgraph.h (cgraph_call_node_duplication_hooks): Declare.
	* cgraph.c (cgraph_call_node_duplication_hooks): Make global.
	* cgraphunit.c (cgraph_copy_node_for_versioning): Call it.

2011-12-01  Andrew Pinski  <>

	PR lto/51198
	* tree.c (free_lang_data_in_decl): Clear FIELD_DECL's

2011-12-01  Jakub Jelinek  <>

	PR tree-optimization/51246
	* tree-predcom.c (replace_ref_with): Handle also clobber on the rhs.

	PR rtl-optimization/51014
	* loop-unroll.c (apply_opt_in_copies): Ignore label DEBUG_INSNs
	both from bb and orig_bb.

2011-12-01  Joern Rennecke  <>

	PR tree-optimization/50802
	* tree-vrp.c (simplify_conversion_using_ranges): Rewrite test
	considering what happens to ranges during sign changes and/or
	intermediate narrowing conversions.

2011-11-30  John David Anglin  <>

	PR middle-end/50283
	* config/pa/ (in_branch_delay): Disallow frame related insns.
	(in_nullified_branch_delay): Likewise.
	(in_call_delay): Likewise.

2011-11-30  Richard Henderson  <>

	* predict.c (expr_expected_value_1): Assume compare-and-swap builtin
	boolean return is true.

2011-11-30  Jakub Jelinek  <>

	PR rtl-optimization/51044
	* dse.c (emit_inc_dec_insn_before): Ensure new_insn is an instruction
	rather than just insn body.

	PR target/50725
	* function.c (thread_prologue_and_epilogue_insns): If
	stack_realign_drap, add drap_reg to SET_UP_BY_PROLOGUE

	PR middle-end/51089
	* tree-eh.c (cleanup_empty_eh_merge_phis): Add check to
	avoid creating duplicate edges here.
	(cleanup_empty_eh_unsplit): And remove it in the caller.

2011-11-30  Andrew Pinski  <>

	PR c/51321
	* c-parser.c (c_parser_postfix_expression): Check groktypename results
	before looking at the main variant.

2011-11-30  Jakub Jelinek  <>

	PR rtl-optimization/48721
	* sched-deps.c (sched_analyze_insn): For SIBLING_CALL_P set
	reg_pending_barrier to TRUE_BARRIER.

	PR rtl-optimization/48721
	* sched-ebb.c (begin_move_insn): Insert empty unreachable
	block after BARRIER if insn is followed by it.

2011-11-30  Richard Henderson  <>

	* config/sparc/sparc-opts.h (enum sparc_memory_model_type): New.
	* config/sparc/sparc.opt (mmemory-model=): New option.
	* doc/invoke.texi (Sparc Options): Document it.
	* config/sparc/sparc.c (sparc_option_override): Provide default
	for sparc_memory_model.
	(sparc_emit_membar_for_model): Omit barrier combinations that are
	implied by the memory model.

2011-11-30  Richard Henderson  <>

	* config/sparc/ (I124MODE): New mode iterator.
	(memory_barrier): Remove.
	(atomic_exchangesi): New.
	(swapsi): Rename from *swapsi.
	(atomic_test_and_set<I124MODE>): New.
	(ldstubqi): Rename from *ldstubqi, merge with expander.
	(ldstub<I24MODE>): Rename from *ldstub<I24MODE>, merge with expander.
	(sync_lock_test_and_setsi): Remove.
	(sync_lock_test_and_set<I12MODE>): Remove.

2011-11-30  Richard Henderson  <>

	* config/sparc/ ("w"): New.
	* config/sparc/ (mem_noofs_operand): New.
	* config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Make static.
	Generate the boolean result of the atomic_compare_exchange.
	(sparc_expand_compare_and_swap): New.
	* config/sparc/ (atomic_compare_and_swap<I>): New.
	(atomic_compare_and_swap<I48MODE>_1): Rename from
	*sync_compare_and_swap<I48MODE>, use mem_noofs_operand.
	(*atomic_compare_and_swapdi_v8plus): Rename from
	*sync_compare_and_swapdi_v8plus, use mem_noofs_operand.
	(sync_compare_and_swap<I12MODE>): Remove.
	(sync_compare_and_swap<I48MODE>): Remove.

2011-11-30  Richard Henderson  <>

	* config/sparc/ (register_or_v9_zero_operand): New.
	* config/sparc/ (UNSPEC_ATOMIC): New.
	* config/sparc/ (atomic_load<I>): New.
	(atomic_loaddi_1, atomic_store<I>, atomic_storedi_1): New.

2011-11-30  Richard Henderson  <>

	* config/sparc/ (zero_or_v7_operand): New.
	* config/sparc/sparc.c (sparc_emit_membar_for_model): New.
	* config/sparc/sparc-protos.h: Update.
	* config/sparc/ (mem_thread_fence): New.
	(memory_barrier): Use sparc_emit_membar_for_model.
	(membar, *membar_empty, *membar_storestore, *membar_storeload): New.
	(*membar_v8): Accept and ignore the membar mask.
	(*membar): Accept and print the membar mask.

2011-11-30  Matthew Gretton-Dann  <>

	* config/arm/arm.c (arm_issue_rate): Cortex-A15 can triple issue.
	* config/arm/ (mul64): New attribute.
	(generic_sched): Cortex-A15 is not scheduled generically.
	( Include.
	* config/arm/ New machine description.
	* config/arm/t-arm (MD_INCLUDES): Add

2011-11-30  Matthew Gretton-Dann  <>

	* config/arm/t-arm (MD_INCLUDES): Ensure all md files are listed.

2011-11-30  Iain Sandoe  <>

	* doc/ (NEXT_OBJC_RUNTIME): Update macro description.
	* doc/tm.texi: Regenerate.
	* flags.h (flag_next_runtime): Remove references.
	* toplev.c: Likewise.
	* defaults.h (NEXT_OBJC_RUNTIME): Provide default.
	* gccspec.c (lang_specific_driver): Adjust use of NEXT_OBJC_RUNTIME.
	* config/darwin.c (darwin_override_options): Provide default
	Objective-C abi settings and target conflict checks.
	* config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Remove unused
	code. Adjust indenting.

2011-11-29  Joseph Myers  <>

	* config/sh/sh.h (enum reg_class, REG_CLASS_NAMES)
	* config/sh/ (u): New constraint.

2011-11-29  Oleg Endo  <>

	PR target/51337
	* config/sh/sh.c (sh_secondary_reload): Add case when FPUL
	register is being loaded from a pseudo in memory.

2011-11-29  DJ Delorie  <>

	* config.gcc (rl78-*-elf): New case.
	* doc/extend.texi: Add RL78 documentation.
	* doc/invoke.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/contrib.texi: Add RL78.
	* doc/install.texi: Add rl78-*-elf.
	* config/rl78: New directory for the Renesas RL78.

2011-11-29  Jakub Jelinek  <>

	PR tree-optimization/51247
	* tree-vrp.c (extract_range_from_assert): For signed 1-bit precision
	types instead of adding 1 subtract -1 and instead of subtracting 1
	add -1 to avoid overflows.

2011-11-29  Andrew MacLeod  <>

	PR target/50123
	* optabs.c (maybe_optimize_fetch_op): New.  Look for more optimal
	instructions for a FECTH_OP or OP_FECTH sequence.
	(expand_atomic_fetch_op): Call maybe_optimize_fetch_op.

2011-11-29  Uros Bizjak  <>

	* config/i386/ (UNSPEC_LDA, UNSPEC_STA): New unspecs.
	(movdi_via_fpu): Remove.
	(loaddi_via_fpu): New insn pattern.
	(storedi_via_fpu): Ditto.
	(atomic_loaddi_fpu): Use loaddi_via_fpu and storedi_via_fpu.
	(atomic_storedi_fpu): Ditto.
	* reg-stack.c (get_true_reg): Handle UNSPEC_LDA.
	(subst_stack_regs_pat): Handle UNSPEC_STA.

2011-11-29  Uros Bizjak  <>

	* config/i386/ (*floathi<mode>2_i387_with_temp): Do not
	allocate scratch memory for alternative 0.

2011-11-29  Michael Meissner  <>

	* config/rs6000/rs6000-builtins.def: Completely rewrite builtin
	handling to centralize more of the builtins in this file.  Change
	some builtin enumerations to be more consistant.  Use a new mask
	to hold the current builtins, including SPE and PAIRED builtins
	which no longer are set via target_flags masks.  Add
	-mdebug=builtin debug support.  For power machines, define all
	Altivec and VSX buitins when the compiler starts, but don't allow
	the use of a builtin unless the appropriate switch is used, or
	#pragma GCC target is used to change the options.  If the user
	uses #pragma GCC target, update the appropriate hardware macros.
	* common/config/rs6000/rs6000-common.c (rs6000_handle_option): Ditto.
	* config/rs6000/rs6000.opt (rs6000_builtin_mask): Ditto.
	* config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Ditto.
	(rs6000_define_or_undefine_macro): Ditto.
	(rs6000_target_modify_macros): Ditto.
	(rs6000_cpu_cpp_builtins): Ditto.
	(altivec_overloaded_builtins): Ditto.
	(altivec_build_resolved_builtin): Ditto.
	* config/rs6000/rs6000.c (rs6000_target_modify_macros_ptr): Ditto.
	(rs6000_builtin_info): Ditto.
	(def_builtin): Ditto.
	(enable_mask_for_builtins): Ditto.
	(DEBUG_FMT_X): Ditto.
	(rs6000_debug_reg_global): Ditto.
	(rs6000_builtin_mask_calculate): Ditto.
	(rs6000_option_override_internal): Ditto.
	(rs6000_builtin_conversion): Ditto.
	(rs6000_builtin_vectorized_function): Ditto.
	(bdesc_3arg): Ditto.
	(bdesc_dst): Ditto.
	(bdesc_2arg): Ditto.
	(builtin_description_predicates): Ditto.
	(bdesc_altivec_preds): Ditto.
	(bdesc_spe_predicates): Ditto.
	(bdesc_spe_evsel): Ditto.
	(bdesc_paired_preds): Ditto.
	(bdesc_abs): Ditto.
	(bdesc_1arg): Ditto.
	(rs6000_overloaded_builtin_p): Ditto.
	(rs6000_expand_unop_builtin): Ditto.
	(bdesc_2arg_spe): Ditto.
	(spe_expand_builtin): Ditto.
	(rs6000_invalid_builtin): Ditto.
	(rs6000_expand_builtin): Ditto.
	(rs6000_init_builtins): Ditto.
	(spe_init_builtins): Ditto.
	(paired_init_builtins): Ditto.
	(altivec_init_builtins): Ditto.
	(builtin_function_type): Ditto.
	(rs6000_common_init_builtins): Ditto.
	(rs6000_builtin_reciprocal): Ditto.
	(rs6000_builtin_mask_names): Ditto.
	(rs6000_pragma_target_parse): Ditto.
	(rs6000_function_specific_print): Ditto.
	* config/rs6000/rs6000.h (MASK_DEBUG_BUILTIN): Ditto.
	(enum rs6000_btc): Ditto.
	(RS6000_BTC_*): Ditto.
	(RS6000_BTM_*): Ditto.
	(enum rs6000_builtins): Ditto.
	* config/rs6000/rs6000-protos.h (rs6000_overloaded_builtin_p): Ditto.
	(rs6000_target_modify_macros): Ditto.
	(rs6000_target_modify_macros_ptr): Ditto.

	* config/rs6000/ (unsfloat<VEC_int><mode>2): Use the
	standard name for converting vector unsigned values to floating
	point.  Delete the TARGET_VECTORIZE_BUILTIN_CONVERSION hook, which
	is handled by machine independent code.
	* config/rs6000/rs6000.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Ditto.
	(rs6000_builtin_conversion): Ditto.

2011-11-29  Dodji Seketeli  <>

	* tree-diagnostic (struct loc_t): Rename into struct loc_map_pair.
	(maybe_unwind_expanded_macro_loc): Adjust.

2011-11-29  David Edelsohn  <>
	    Aldy Hernandez  <>

	* trans-mem.c (ipa_tm_create_version_alias): Mangle new_decl
	(ipa_tm_create_version): Same.

2011-11-29  Bernd Schmidt  <>

	* haifa-sched.c (recompute_todo_spec): Simplify and correct the
	code checking for a clobber of a condition register when deciding
	whether to predicate.

2011-11-29  Diego Novillo  <>

	* gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.
	Update field call_stmt_cannot_inline_p from call graph edge, if needed.
	* gimple.h (gimple_call_set_cannot_inline): Move to gimple.c.

2011-11-29  Sameera Deshpande  <>

	* config/arm/ (arm_movdi): Update NEG_POOL_RANGE.
	(movdf_soft_insn): Likewise.
	* config/arm/ (thumb2_movdf_fpa): Likewise.
	* config/arm/ (neon_mov<mode>): Likewise.
	* config/arm/ (movdi_vfp): Likewise.
	(movdi_vfp_cortexa8): Likewise.
	(movdf_vfp): Likewise.

2011-11-29  Jakub Jelinek  <>

	PR middle-end/50074
	* expr.c (expand_expr_addr_expr_1): Don't call force_operand for
	EXPAND_SUM modifier.

2011-11-29  Ira Rosen  <>

	PR tree-optimization/51301
	* tree-vect-patterns.c (vect_recog_over_widening_pattern): Check that
	the last statement doesn't convert to a bigger type than the original
	type of the computation.

2011-11-28  Richard Henderson  <>

	* config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
	Handle overlap between retval and oldval.  Always compute boolval
	from CR0 EQ value.

2011-11-28  Jakub Jelinek  <>

	PR debug/50317
	* tree-ssa.c (execute_update_addresses_taken): Remove
	var ={v} {CLOBBER} stmts instead of rewriting them into
	var_N ={v} {CLOBBER}.

	PR middle-end/50907
	* function.c (convert_jumps_to_returns): When redirecting an edge
	succ to EXIT_BLOCK_PTR, clear EDGE_CROSSING flag.

	PR tree-optimization/50078
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Copy over
	TREE_THIS_VOLATILE also from the old to new lhs resp. rhs.

	PR tree-optimization/50682
	* tree-eh.c (maybe_remove_unreachable_handlers): New function.
	* tree-flow.h (maybe_remove_unreachable_handlers): New prototype.
	* tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call it.

2011-11-28  Georg-Johann Lay  <>

	* doc/extend.texi (AVR Built-in Functions): Add documentation for
	__builtin_avr_map8 and __builtin_avr_map16.

	* config/avr/ Document new %t and %T asm output codes.
	(define_c_enum "unspec"): Add UNSPEC_MAP_BITS.
	(adjust_len): Add map_bits.
	(map_bitsqi, map_bitshi): New insns.
	* config/avr/avr-protos.h (avr_out_map_bits): New.
	* config/avr/avr-protos.c (print_operand): Implement %t and %T.
	(adjust_insn_length): Handle ADJUST_LEN_MAP_BITS.
	(avr_double_int_push_digit): New function.
	(avr_map, avr_revert_map, avr_swap_map, avr_id_map): New functions.
	(avr_sig_map, avr_map_hamming_byte): New functions.
	(avr_out_swap_bits, avr_out_revert_bits, avr_move_bits,
	avr_out_map_bits): New functions.
	(enum avr_builtin_id): Add AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
	(avr_init_builtins): Populate __builtin_avr_map8, __builtin_avr_map16.
	(bdesc_2arg): Add __builtin_avr_map8, __builtin_avr_map16 ...
	(avr_expand_builtin): ...and expand them.
	* config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:

2011-11-27  Richard Sandiford  <>

	PR target/51278
	* config/mips/mips.c (mips_rtx_costs): Handle baddu.

2011-11-27  Richard Sandiford  <>

	* config/mips/mips.c (mips16_unextended_reference_p): Test for BLKmode.

2011-11-27  Richard Sandiford  <>

	* config/mips/mips-protos.h (mips_emit_binary): Declare.
	* config/mips/mips.c (mips_emit_binary): Make global.
	(mips_set_mips16_mode): Turn off -mfix-r4000 in MIPS16 mode.
	(mips_conditional_register_usage): Don't treat LO and HI as
	register operands in MIPS16 mode.
	(mips_mulsidi3_gen_fn): Use {u,}mulsidi3_{32,64}bit_mips16
	for MIPS16 code.
	* config/mips/ (muldiv_target_operand): New predicate.
	(move_operand): Allow hilo_operand.
	* config/mips/ (mul<mode>3): Explicitly specify LO as the
	target of MIPS16 multiplies, then move it into the target register.
	(mul<mode>3_internal, *macc2, *msac2): Use muldiv_target_operand.
	(<u>mulsidi3_32bit_mips16): New expander.
	(<u>mulsidi3_32bit): Use muldiv_target_operand.
	(<u>mulsidi3_32bit_r4000): Disable for ISA_HAS_DSP.
	(<u>mulsidi3_64bit): Require !TARGET_MIPS16.  Split into
	(<u>mulsidi3_64bit_mips16): New expander.
	(<u>mulsidi3_64bit_split): Likewise, using expansions from
	two previous define_splits.
	(<u>mulsidi3_64bit_hilo, *muls<u>_di, <u>msubsidi4): Use
	(<su>mulsi3_highpart): Use <su>mulsi3_highpart_split for MIPS16 code.
	(<su>mulsi3_highpart_internal): Require !TARGET_MIPS16.
	Split into <su>mulsi3_highpart_split.
	(<su>mulsi3_highpart_split): New expander.
	(<su>muldi3_highpart): Turn into a define_expand.
	Use <su>muldi3_highpart_split for MIPS16 code.
	(<su>muldi3_highpart_internal): Renamed from <su>muldi3_highpart.
	Require !TARGET_MIPS16.  Split into <su>muldi3_highpart_split.
	(<su>muldi3_highpart_split): New expander.
	(<u>mulditi3): Explicitly specify LO as the target of MIPS16
	multiplies, then move it into the target register.
	(<u>mulditi3_internal, <u>maddsidi4): Use muldiv_target_operand.
	(divmod<mode>4, udivmod<mode>4): Turn into define_expands.
	Use <u>divmod<mode>4_split for MIPS16 code, then explicitly
	move LO into operand 0.
	(divmod<mode>4_internal, udivmod<mode>4_internal): Renamed
	from <u>divmod<mode>4.  Use muldiv_target_operand.
	Require !TARGET_MIPS16.  Split into <u>divmod<mode>4_split.
	(<u>divmod<mode>4_split): New expander.
	(<u>divmod<GPR:mode>4_hilo_<HILO:mode>): Use muldiv_target_operand.
	(mfhi<GPR:mode>_<HILO:mode>): Use hilo_operand.

2011-11-27  Richard Sandiford  <>

	* hard-reg-set.h (target_hard_regs): Add x_accessible_reg_set
	and x_operand_reg_set.
	(accessible_reg_set, operand_reg_set): New macros.
	* reginfo.c (init_reg_sets): Initialize accessible_reg_set and
	(saved_accessible_reg_set, saved_operand_reg_set): New variables.
	(save_register_info): Save them.
	(restore_register_info): Restore them.
	(init_reg_sets_1): Limit operand_reg_set to accessible_reg_set.
	Remove NO_REGS registers from operand_reg_set.  Treat members
	of operand_reg_set as fixed.
	* recog.c (general_operand): Check operand_reg_set rather than NO_REGS.
	(register_operand, nonmemory_operand): Likewise.
	* varasm.c (make_decl_rtl): Always use DECL_MODE as the mode of
	register variables.  Check accessible_reg_set and operand_reg_set.
	* config/mips/mips.c (mips_conditional_register_usage): Remove
	inaccessible register from accessible_reg_set, rather than just
	making them fixed.

2011-11-27  Gerald Pfeifer  <>

	* config/pa/pa-linux.h (TARGET_GAS): Remove comment.

2011-11-26  Richard Henderson  <>

	* config/arm/arm.c (arm_init_libfuncs): Call init_sync_libfuncs
	for Linux.

2011-11-26  Richard Henderson  <>

	* optabs.c (expand_atomic_fetch_op): Always return result.

	* optabs.c (init_sync_libfuncs_1): Include max in iteration.

	* omp-low.c (expand_omp_atomic): Assume anything aligned to

2011-11-26  Richard Henderson  <>

	* config/m68k/ (UNSPECV_CAS_1, UNSPECV_CAS_2): New.
	(I): New mode iterator.
	(xz): New mode attribute.
	* config/m68k/ New file.

	* config/m68k/linux.h (TARGET_INIT_LIBFUNCS): New.
	* config/m68k/m68k.c (m68k_init_sync_libfuncs): New.

2011-11-26  Nathan Sidwell  <>

	PR gcov-profile/51297
	* gcov.c (main): Allocate initial names and sources arrays.
	(find_source): Don't check for null name or source arrays here.

2011-11-26  Jakub Jelinek  <>

	PR rtl-optimization/49912
	* cfgrtl.c (rtl_verify_flow_info_1): Ignore also EDGE_PRESERVE bit
	when counting n_branch.

2011-11-26  Uros Bizjak  <>

	* config/i386/ (movdi_via_fpu): Add %Z insn suffixes.

2011-11-26  Joern Rennecke  <>

	PR middle-end/50074
	* calls.c (mem_overlaps_already_clobbered_arg_p):
	Return false if no outgoing arguments have been stored so far.

2011-11-25  Georg-Johann Lay  <>

	* config/avr/avr.c (print_operand): Support code = 'i' for CONST_INT.

2011-11-24  Andrew MacLeod  <>

	PR other/51011
	* tree.h (is_builtin_name): No longer external.
	* builtins.c (is_builtin_name): Make static.
	* varasm.c (incorporeal_function_p): __sync and __atomic external calls
	are not incorporeal and may need asm label processing.

2011-11-25  Georg-Johann Lay  <>

	PR target/50566
	* config/avr/avr-protos.h (avr_log_t): Add field .builtin.
	* config/avr/avr-log.c (avr_log_set_avr_log): Initialize it.
	Don't bypass TARGET_ALL_DEBUG.  Print self-info with ?.
	(avr_log_vadump): Support %D and %X to print double_int.
	(avr_double_int_pop_digit): New static function.
	(avr_dump_double_int_hex): New static function.

2011-11-24  Enkovich Ilya  <>

	PR target/51287
	* config/i386/i386.c (distance_non_agu_define_in_bb): Fix insn
	attr check.

2011-11-24  Andrew MacLeod  <>

	* optab.c (maybe_emit_atomic_exchange): New.  Try to emit an
	atomic_exchange pattern.
	(maybe_emit_sync_lock_test_and_set): New.  Try to emit an exchange
	using __sync_lock_test_and_set.
	(maybe_emit_compare_and_swap_exchange_loop): New. Try to emit an
	exchange using a compare_and_swap loop.
	(expand_sync_lock_test_and_set): New.  Expand sync_lock_test_and_set.
	(expand_atomic_test_and_set): New.  Expand test_and_set operation.
	(expand_atomic_exchange): Use new maybe_emit_* functions.
	(expand_atomic_store): Use new maybe_emit_* functions.
	* builtins.c (expand_builtin_sync_lock_test_and_set): Call
	expand_sync_lock_test_and_set routine.
	(expand_builtin_atomic_exchange): Remove parameter from call.
	(expand_builtin_atomic_clear): Use atomic_clear pattern if present.
	(expand_builtin_atomic_test_and_set): Add target and simply call
	(expand_builtin): Add target to expand_builtin_atomic_test_and_set.
	* expr.h (expand_atomic_exchange): Add parameter.
	(expand_sync_lock_test_and_set): New prototype.
	(expand_atomic_test_and_set, expand_atomic_clear): New prototypes.

2011-11-24  H.J. Lu  <>

	PR target/51134
	* config/i386/i386.h (processor_costs): Revert revision 181357.
	* config/i386/i386.c (cost models): Likewise.
	(core_cost): Likewise.
	(promote_duplicated_reg): Likewise.
	(promote_duplicated_reg_to_size): Likewise.
	(processor_target): Likewise.
	(expand_set_or_movmem_via_loop_with_iter): Likewise.
	(expand_set_or_movmem_via_loop): Likewise.
	(emit_strset): Likewise.
	(expand_movmem_epilogue): Likewise.
	(expand_setmem_epilogue): Likewise.
	(expand_movmem_prologue): Likewise.
	(expand_setmem_prologue): Likewise.
	(expand_constant_movmem_prologue): Likewise.
	(expand_constant_setmem_prologue): Likewise.
	(decide_alg): Likewise.
	(decide_alignment): Likewise.
	(ix86_expand_movmem): Likewise.
	(ix86_expand_setmem): Likewise.
	(ix86_slow_unaligned_access): Likewise.
	* config/i386/ (strset): Likewise.
	* config/i386/ (vec_dupv4si): Likewise.
	(vec_dupv2di): Likewise.

2011-11-24  Georg-Johann Lay  <>

	* config/avr/ (*rotlhi2.15): Set length to 4.

2011-11-24  Razya Ladelsky  <>

	* tree-data-ref.c (initialize_data_dependence_relation): Update
	comment for the self dependence case.
	(compute_self_dependence): Remove.
	* tree-vect-data-refs.c (vect_analyze_data_refs): Remove call to

2011-11-24  Alan Modra  <>

	* c-decl.c (warn_if_shadowing): Don't warn if shadowed
	identifier is from system header.

2011-11-23  Jakub Jelinek  <>

	PR target/51261
	* config/i386/i386.c (decide_alg): Initialize *dynamic_check
	even if !optimize.

2011-11-23  Vladimir Makarov  <>

	PR rtl-optimization/48455
	* doc/invoke.texi (-fira-region): Document default values.

	* flags-types.h (enum ira_region): Add new value

	* common.opt (fira-region): Set up initial value to

	* toplev.c (process_options): Set up flag_ira_region depending on
	-O options.

	* ira.c (ira.c): Remove optimize guard for ira_build.

2011-11-23  Chung-Lin Tang  <>

	PR rtl-optimization/50496
	* jump.c (redirect_jump): Assert fail on nlabel == NULL_RTX
	only after epilogue is created. Add comments.

2011-11-22  Richard Henderson  <>

	* config/ia64/ia64.c (ia64_expand_atomic_op): Add model parameter.
	Generate the barrier required for the memory model.
	(rtx_needs_barrier): Handle UNSPEC_FETCHADD_REL, UNSPEC_CMPXCHG_REL.
	* config/ia64/ia64-protos.h: Update.
	* config/ia64/ (UNSPEC_FETCHADD_REL): New.
	* config/ia64/ (mem_thread_fence): New.
	(atomic_load<IMODE>, atomic_store<IMODE>): New.
	(atomic_compare_and_swap<IMODE>): New.
	(cmpxchg_acq_<I124MODE>, cmpxchg_acq_di): New.
	(atomic_exchange<IMODE>): New.
	(xchg_acq_<IMODE>): Rename from sync_lock_test_and_set<IMODE>.
	(atomic_<FETCHOP><IMODE>, atomic_nand<IMODE>): New.
	(atomic_fetch_<FETCHOP><IMODE>, atomic_fetch_nand<IMODE>): New.
	(atomic_<FETCHOP>_fetch<IMODE>, atomic_nand_fetch<IMODE>): New.
	(fetchadd_rel_<I48MODE>): New.
	(sync_<FETCHOP><IMODE>, sync_nand<IMODE>): Remove.
	(sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): Remove.
	(sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): Remove.
	(sync_compare_and_swap<IMODE>): Remove.
	(sync_lock_release<IMODE>): Remove.

	* config/ia64/ Use define_c_enum for UNSPEC_*
	and UNSPECV_* constants.

2011-11-22  Tom de Vries  <>

	PR rtl-optimization/50764
	* sched-deps.c (sched_analyze_insn): Make sure frame-related insns are
	not moved past preceding jump.

2011-11-22  Jeff Law  <>

	* doc/contrib.texi: Add entry for David Binderman.

2011-11-22  Andreas Krebbel  <>

	* postreload.c (reload_combine): Mark reg_state as invalid at
	volatile insns if there has been a use already.

2011-11-21  Aldy Hernandez  <>

	* opts.c (finish_options): Do not fail for -fgnu-tm.
	* gimple-streamer-out.c (output_gimple_stmt): Handle
	* gimple-streamer-in.c (input_gimple_stmt): Same.
	* lto-cgraph.c (input_overwrite_node): Read tm_clone bit.
	(lto_output_node): Write tm_clone bit.

2011-11-22  Ian Lance Taylor  <>

	* doc/install.texi (Configuration): Correct doc of
	--enable-build-poststage1-with-cxx: it is not experimental.

2011-11-22  Jakub Jelinek  <>

	PR tree-optimization/51074
	* fold-const.c (fold_binary_loc): Fix up VEC_INTERLEAVE_*_EXPR
	handling for BYTES_BIG_ENDIAN.
	* optabs.c (can_vec_perm_for_code_p): Likewise.

2011-11-22  Michael Matz  <>

	PR other/51125
	* trans-mem.c (expand_block_tm): Ignore clobbers.

2011-11-22  Iain Sandoe  <>

	*  config/darwin.h (ENDFILE_SPEC): New.
	(DARWIN_CRT1_SPEC): Add crttms.o.
	(STARTFILE_SPEC): Likewise for dynamic libs and bundles.
	* config/i386.h (ENDFILE_SPEC): Amend to include crttme.o.

2011-11-22  Michael Matz  <>

	PR c++/51264
	* tree.c (iterative_hash_expr): Remove break after return.

2011-11-22  Iain Sandoe  <>

	* target.def (tm_clone_table_section): New hook.
	* doc/tm.texi: Regenerate.
	* varasm.c (dump_tm_clone_pairs): Use target tm_clone_table_section.
	* output.h (default_clone_table_section): New prototype.
	* config/darwin.h (TARGET_ASM_TM_CLONE_TABLE_SECTION): New.
	* config/darwin-protos.h (darwin_tm_clone_table_section): New prototype.
	* config/darwin.c (darwin_tm_clone_table_section): New.

2011-11-21  Torvald Riegel  <>

	* trans-mem.c (diagnose_tm_1): Print an expression instead of a
	declaration in error messages for indirect calls.

2011-11-21  David S. Miller  <>

	* config/sparc/sparc.c (sparc_regmode_natural_size): New function
	implementing REGMODE_NATURAL_SIZE taking into consideration vector
	(sparc_modes_tieable_p): Similarly for MODES_TIEABLE_P.
	* config/sparc/sparc-protos.h (sparc_regmode_natural_size,
	sparc_modes_tieable_p): Declare.
	* gcc/config/sparc/sparc.h (REGMODE_NATURAL_SIZE,
	MODES_TIEABLE_P): Use new helper functions.

	2011-11-16  Andreas Krebbel  <>

	PR middle-end/50325
	* expmed.c (store_bit_field_1): Use extract_bit_field on big
	endian targets if the source cannot be exactly covered by word
	mode chunks.

2011-11-21  Jakub Jelinek  <>

	PR debug/50827
	* var-tracking.c (loc_cmp): For ENTRY_VALUEs use ENTRY_VALUE_EXP
	macro instead of XEXP.

2011-11-21  Andreas Tobler  <>

	* configure: Regenerate.

2011-11-21  Georg-Johann Lay  <>

	* config/avr/avr.c (output_reload_in_const): Loading a byte with 0
	must not affect cc0.
	* config/avr/ (*movhi, *movpsi, *movsi, *movsf): Zero to any
	register does not change cc0. Same for any constant to ld-register.

2011-11-21  Uros Bizjak  <>

	* config/i386/ (unspec) <UNSPEC_MOVNTQ, UNSPEC_PFRCP,
	Move from config/i386/
	(unspecv) <UNSPECV_EMMS, UNSPECV_FEMMS>: Ditto.
	* config/i386/ (unspec) <UNSPEC_MOVNT,UNSPEC_MOVU, UNSPEC_LDDQU,
	* config/i386/ (unspec) <UNSPEC_LFENCE, UNSPEC_SFENCE,
	(sse2_lfence): Move from config/i386/
	(*sse2_lfence): Ditto.
	(sse_sfence): Ditto.
	(*sse_sfence): Ditto.
	(sse2_mfence): Ditto.
	(mfence_sse2): Ditto.  Rename from *sse2_mfence.  Enable also
	for TARGET_64BIT.
	(mem_thread_fence): Use mfence_sse2.

2011-11-21  Georg-Johann Lay  <>

	* config/avr/avr.h (struct base_arch_s): Add field sfr_offset.
	* config/avr/avr-devices.c: Ditto. And initialize it.
	* config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in define
	* config/avr/avr-protos.h (out_movqi_r_mr, out_movqi_mr_r): Remove.
	(out_movhi_r_mr, out_movhi_mr_r): Remove.
	(out_movsi_r_mr, out_movsi_mr_r): Remove.
	* config/avr/ (*cbi, *sbi): Use %i instead of %m-0x20.
	(*, * Ditto.
	* config/avr/avr.c (out_movsi_r_mr, out_movsi_mr_r): Make static.
	(print_operand): Implement "%i" to print address as I/O address.
	(output_movqi): Clean up call of out_movqi_mr_r.
	(output_movhi): Clean up call of out_movhi_mr_r.
	(avr_file_start): Use avr_current_arch->sfr_offset instead of
	magic -0x20. Use TMP_REGNO, ZERO_REGNO instead of 0, 1.
	(avr_out_sbxx_branch): Use %i instead of %m-0x20.
	(out_movqi_r_mr, out_movqi_mr_r): Ditto. And make static.
	(out_movhi_r_mr, out_movhi_mr_r): Ditto. And use avr_asm_len.
	(out_shift_with_cnt): Clean up code: Use avr_asm_len.
	(output_movsisf): Use output_reload_insisf for all CONSTANT_P sources.
	(avr_out_movpsi): USE avr_out_reload_inpsi for all CONSTANT_P sources.
	Clean up call of avr_out_store_psi.
	(output_reload_in_const): Don't cut symbols longer than 2 bytes.
	(output_reload_insisf): Filter CONST_INT_P or CONST_DOUBLE_P to
	try if setting pre-cleared register is advantageous.
	(avr_out_plus_1): Use gen_int_mode instead of GEN_INT.

2011-11-20  Joey Ye  <>

	* expr.c (expand_expr_real_1): Correctly handle strict volatile
	bitfield loads smaller than mode size.

2011-11-20  Richard Henderson  <>

	* config/mips/mips.c (mips_init_libfuncs): Call init_sync_libfuncs.

2011-11-20  Uros Bizjak  <>

	PR target/51235
	* config/i386/i386.c (ix86_expand_vcond): Generate TARGET_XOP
	patterns for supported mode only.

	PR target/51236
	* config/i386/i386.c (ix86_expand_builtin)
	<IX86_BUILTIN_GATHERALTSIV4DI>: Use CODE_FOR_avx2_gathersiv4di.

2011-11-20  Uros Bizjak  <>

	* config/i386/ (UNSPEC_MOVNTI): Remove.
	(UNSPEC_MOVNTQ): New unspec.
	* config/i386/ (sse_movntq): Rename from sse_movntdi.
	* config/i386/ (sse2_movnti<mode>): Use UNSPEC_MOVNT instead of
	(STORENT_MODE): Add DI and V4DI modes.

2011-11-20  Nathan Sidwell  <>

	PR gcov-profile/51113
	* coverage.c (build_var): Propagate visibility for public
	decls.  Use make_decl_one_only for PIC correctness.

	* gcc.misc-tests/gcov-13.c: Check gcovpart-13b coverage
	* gcc.misc-tests/gcov-16.c: New.
	* gcc.misc-tests/gcov-17.c: New.
	* g++.dg/gcov/gcov-8.C: New.
	* g++.dg/gcov/gcov-9.C: New.
	* g++.dg/gcov/gcov-10.C: New.

2011-11-19  Eric Botcazou  <>

	PR rtl-optimization/51187
	* reorg.c (relax_delay_slots): Do not consider a jump useless if there
	is a barrier between the jump and its target label.

2011-11-19  Patrick Marlier  <>

	PR middle-end/51211
	* tracer.c (ignore_bb_p): Don't copy GIMPLE_TRANSACTION.

2011-11-19  Eric Botcazou  <>

	* expmed.c (store_bit_field_1): Revert bogus formatting change.

2011-11-19  Richard Earnshaw  <>

	PR target/50493
	* config/arm/arm.c (neon_disambiguate_copy): Correctly handle partial
	overlap of src and dest operands.

2011-11-19  Iain Sandoe  <>

	* config/darwin.h (ASM_DEBUG_SPEC): New.
	* config/darwin9.h (ASM_DEBUG_SPEC): New.

2011-11-18  Jan Hubicka  <>

	* config/i386/i386.c (atom_cost): Disable SSE loop until alignment
	issues are fixed.

2011-11-18  Anatoly Sokolov  <>

	* config/cris/cris.c (cris_function_value_regno_p): Make static.
	* config/cris/cris.h (FUNCTION_VALUE_REGNO_P): Remove.
	* config/cris/cris-protos.h (cris_function_value_regno_p): Remove.

2011-11-18  H.J. Lu  <>

	PR target/33944
	* doc/extend.texi: Document __builtin_ia32_movnti64.

	* config/i386/emmintrin.h (_mm_stream_si64): New.

	* config/i386/i386-builtin-types.def: Add VOID_FTYPE_PLONGLONG_LONGLONG.

	* config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTI64.
	(bdesc_special_args): Update __builtin_ia32_movnti.  Add
	(ix86_expand_special_args_builtin): Handle

	* config/i386/ (UNSPEC_MOVNTI): New.

	* config/i386/ (sse2_movntsi): Renamed to ...
	(sse2_movnti<mode>): This.

2011-11-18  Georg-Johann Lay  <>

	PR target/49868
	* config/avr/avr.h (base_arch_s): Add field n_segments.
	(INIT_EXPANDERS): New define.
	* config/avr/avr-protos.h (avr_mem_pgmx_p): New.
	(avr_init_expanders): New.
	(avr_emit_movmemhi, avr_out_movmem): New.
	(avr_xload_libgcc_p): New.
	* config/avr/avr-c.c (avr_register_target_pragmas): Register
	address spaces __pgm1, __pgm2,  __pgm3,  __pgm4  __pgm5,  __pgmx.
	(avr_cpu_cpp_builtins): Add built-in defines __PGM1,
	__PGM2, __PGM3, __PGM4, __PGM5, __PGMX.
	* config/avr/avr-devices.c (avr_arch_types): Set field n_segments.

	* config/avr/avr.c (AVR_SECTION_PROGMEM): Change define to cover
	3 bits instead of just 1.
	(xstring_empty, xstring_e, rampz_rtx): New static GTYed variables.
	(progmem_section): Change from section to array of sections.
	(progmem_section_prefix): New static variable.
	(avr_file_start): Print set for __RAMPZ__
	(avr_option_override): Move initialization of RTXes from here...
	(avr_init_expanders): this new function.
	(avr_pgm_segment): New static function.
	(avr_decl_pgm_p): Handle error_mark_node.
	(avr_mem_pgmx_p, avr_decl_pgmx_p): New static functions.
	(avr_out_xload,	avr_find_unused_d_reg): New static functions.
	(expand_prologue, expand_epilogue): Use rampz_rtx.
	(print_operand): Hande CONST_STRING.
	(avr_xload_libgcc_p): New static function.
	(avr_out_lpm_no_lpmx, avr_out_lpm): Handle ELPM.
	(avr_progmem_p): Return 2 for 24-bit flash address space.
	(avr_out_sbxx_branch): Clean-up code from ASn macros.
	(out_movqi_r_mr, out_movqi_mr_r): Ditto. And recognize RAMPZ's
	address and print symbolically.
	(avr_asm_named_section, avr_section_type_flags,
	avr_encode_section_info, avr_asm_select_section,
	avr_addr_space_address_mode, avr_addr_space_pointer_mode,
	avr_addr_space_legitimate_address_p, avr_addr_space_convert,
	avr_addr_space_legitimize_address): Handle new address spaces.
	(avr_output_progmem_section_asm_op): New static function.
	(avr_asm_init_sections): Initialize progmem_section[].
	(adjust_insn_length): Handle ADJUST_LEN_XLOAD, ADJUST_LEN_MOVMEM.
	(avr_const_address_lo16): New static function.
	(avr_assemble_integer): Use it to handle 3-byte integers.
	(avr_emit_movmemhi, avr_out_movmem): New functions.

	* config/avr/ (nox_general_operand): Handle new
	address spaces.
	* config/avr/ (unspec): Add UNSPEC_MOVMEM.
	(adjust_len): Add xload, movmem.
	(SP_ADDR): New define_constants.
	(isa): Add "lpm", "lpmx", "elpm", "elpmx".
	(enabled): Handle them.
	(load<mode>_libgcc): New expander.
	(*load.<mode>.libgcc): Rename to load_<mode>_libgcc.
	(xload8_A, xload<mode>_A): New insn-and-splits.
	(xload_8, xload_<mode>_libgcc, xload_<mode>, loadmem_elpm): New insns.
	(mov<mode>): Handle new address spaces.
	(movmemhi): Rewrite using avr_emit_movmemhi.
	(MOVMEM_r_d): New mode attribute.
	(movmem_<mode>, movmem_qi_elpm): New insns.
	(setmemhi, *clrmemqi, *clrmemhi, strlenhi, *strlenhi): Unquote
	C-code.  Use label instead of hard-coded instrunction lengths.

2011-11-18  Martin Jambor  <>

	PR tree-optimization/50605
	* gimple.c (is_gimple_ip_invariant_address): Also handle MEM_REFs
	of IPA invariant decls.

2011-11-18  Bill Schmidt  <>

	* tree-outof-ssa.c (insert_back_edge_copies):  Add call to

2011-11-18  Iain Sandoe  <>

	PR target/49992
	* Remove ranlib special-casing for Darwin.
	* configure: Regenerate.

2011-11-18  Uros Bizjak  <>

	PR tree-optimization/51118
	* fold-const.c (fold_checksum_tree): Check for TS_TYPED structure
	before using TREE_TYPE accessor on expr.

2011-11-17  Jan Hubicka  <>

	PR bootstrap/51134
	* i386.c (atom_cost): Fix 32bit memset description.
	(expand_set_or_movmem_via_loop_with_iter): Output proper bounds check
	for epilogue loops.
	(expand_movmem_epilogue): Handle epilogues up to size 15 w/o producing
	byte loop.
	(decide_alg): sse_loop is not useable wthen SSE2 is disabled;
	when not optimizing always use rep movsb or lincall; do not produce
	word sized loops when optimizing memset for size (to avoid need
	for large constants).
	(ix86_expand_movmem): Get into sync with ix86_expand_setmem;
	choose unroll factors better; always do 128bit moves when producing
	SSE loops; do not produce loopy epilogue when size is too small.
	(promote_duplicated_reg_to_size): Do not look into desired alignments
	when doing vector expansion.
	(ix86_expand_setmem): Track better when promoted value is available;
	choose unroll factors more sanely. Output loopy epilogue only
	when needed.

2011-11-17  Steve Ellcey  <>

	PR middle-end/51144
	* output.h (fprint_w): Remove.
	* final.c (fprint_w): Remove.
	(output_addr_const): Change fprint_w back to fprintf.

2011-11-17  Andrew Pinski  <>

	* config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for MIPS.

2011-11-17  Andrew MacLeod  <>

	* builtins.c (expand_builtin): Remove 4th parameter representing
	weak/strong mode when __atomic_compare_exchange becomes a library call.

2011-11-17  Richard Henderson  <>

	* config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap): Get
	new pseudo for target after convert_modes.
	(rs6000_expand_atomic_exchange, rs6000_expand_atomic_op): Likewise.

2011-11-17  Richard Henderson  <>

	* config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap): Get
	new pseudo for target after convert_modes.
	(rs6000_expand_atomic_exchange, rs6000_expand_atomic_op): Likewise.

2011-11-17  Richard Henderson  <>

	* builtins.c (expand_builtin_mem_thread_fence): Remove.
	(expand_builtin_mem_signal_fence): Remove.
	(expand_builtin_atomic_thread_fence): Use expand_mem_thread_fence.
	(expand_builtin_sync_synchronize): Likewise.
	(expand_builtin_atomic_signal_fence): Use expand_mem_signal_fence.
	* optabs.c (expand_asm_memory_barrier): Split out from
	(expand_mem_thread_fence): New, a combination of code from
	expand_builtin_mem_thread_fence and expand_builtin_sync_synchronize.
	(expand_mem_signal_fence): Moved and renamed from
	(expand_atomic_exchange): Use expand_mem_thread_fence.
	(expand_atomic_load, expand_atomic_store): Likewise.
	* expr.h, optabs.h: Update decls.

2011-11-17  Bin Cheng  <>

	PR rtl-optimization/50663
	* cprop.c (implicit_set_indexes): New global variable.
	(insert_set_in_table): Add additional parameter and record implicit
	set information.
	(hash_scan_set): Add additional parameter and pass it to above.
	(hash_scan_insn): Pass false to hash_scan_set.
	(compute_hash_table_work): Pass true to hash_scan_set.
	(compute_cprop_data): Add implicit set to AVIN of block which the
	implicit set is recorded for.
	(one_cprop_pass): Handle implicit_set_indexes array.

2011-11-17  Michael Matz  <>

	PR middle-end/50644
	PR middle-end/50741
	* tree-ssa-live.c (mark_all_vars_used_1): Recurse only for decls of
	current function.
	(remove_unused_locals): Ditto.

2011-11-16  Richard Henderson  <>

	* config/alpha/alpha.c (alpha_split_compare_and_swap_12): Copy
	ALIAS_SET_MEMORY_BARRIER when creating a new memory.
	(alpha_split_atomic_exchange_12): Likewise.
	* config/rs6000/rs6000.c (rs6000_adjust_atomic_subword): Likewise.

2011-11-16  Joseph Myers  <>

	* config/i386/i386elf.h (PREFERRED_DEBUGGING_TYPE): Remove.

2011-11-16  David Edelsohn  <>

	* config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
	Default to minimum alignment if decl is NULL.

2011-11-16  Uros Bizjak  <>

	* config/i386/ (round<mode>2_vec_pack_sfix): Optimize V2DFmode
	sequence for AVX.
	(<sse4_1>_round<ssemodesuffix>_vec_pack_sfix<avxsizesuffix>): Ditto.

2011-11-16  Venkataramanan Kumar  <>

	* doc/invoke.texi: Document AMD bdver1 and btver1.

2011-11-16  Richard Earnshaw  <>
	    Bernd Schmidt <>
	    Sebastian Huber <>

	PR target/49641
	* config/arm/arm.c (store_multiple_sequence): Avoid cases where
	the base reg is stored iff compiling for Thumb1.

2011-11-16  Razya Ladelsky  <>

	PR tree-optimization/49960
	* tree-data-ref.c (initialize_data_dependence_relation): Add
	Remove call to compute_self_dependence.
	(compute_affine_dependence): Remove the !DDR_SELF_REFERENCE condition.
	(compute_self_dependence): Remove old code. Add call to
	(compute_all_dependences): Remove call to compute_self_dependence.
	Add call to compute_affine_dependence.

2011-11-16  Andreas Krebbel  <>

	PR middle-end/50325
	* expmed.c (store_bit_field_1): Use extract_bit_field on big
	endian targets if the source cannot be exactly covered by word
	mode chunks.

2011-11-15  Joseph Myers  <>

	* config/i386/i386elf.h (ASM_OUTPUT_ASCII): Change STRING_LIMIT to

2011-11-15  Richard Henderson  <>

	* config/alpha/alpha.c (alpha_pre_atomic_barrier): New.
	(alpha_post_atomic_barrier): New.
	(alpha_split_atomic_op): New memmodel argument; honor it.
	(alpha_split_compare_and_swap): Take array of operands.  Honor
	memmodel; always set bool output
	(alpha_expand_compare_and_swap_12): Similarly.
	(alpha_split_compare_and_swap_12): Similarly.
	(alpha_split_atomic_exchange): Similarly.  Rename from
	(alpha_expand_atomic_exchange_12): Similarly.  Rename from
	(alpha_split_atomic_exchange_12): Similarly.  Rename from
	* config/alpha/alpha-protos.h: Update.
	* config/alpha/ (UNSPECV_CMPXCHG): New.
	* config/alpha/ ("w"): New.
	* config/alpha/ (mem_noofs_operand): New.
	* config/alpha/ (atomic_compare_and_swap<mode>): Rename from
	sync_compare_and_swap<mode>; add the new parameters.
	(atomic_exchange<mode>): Update from sync_test_and_set<mode>.
	(atomic_fetch_<op><mode>): Update from sync_old_<op><mode>.
	(atomic_<op>_fetch<mode>): Update from sync_new_<op><mode>.
	(atomic_<op><mode>): Update from sync_<op><mode>.

2011-11-16  Tom de Vries  <>

	* tree-ssa-tail-merge.c (replace_block_by): Add frequency of bb2 to bb1.

2011-11-16  Alan Modra  <>

	PR rtl-optimization/51051
	PR bootstrap/51086
	* function.c (thread_prologue_and_epilogue_insns): Guard
	emitting return with single_succ_p test.

2011-11-15  Joern Rennecke  <>

	* config/epiphany/ (mov<mode>cc): Fix code to
	get mode from CMP_OP1 if CMP_OP0 is VOIDmode.

2011-11-15  Uros Bizjak  <>

	* config/i386/ (vec_pack_trunc_v2df): Optimize sequence for AVX.
	(vec_pack_sfix_trunc_v2df): Ditto.
	(vec_pack_sfix_v2df): Ditto.
	(vec_pack_sfix_trunc_v4df): Generate fix_truncv4dfv4si2 and
	avx_vec_concatv8si patterns.
	(vec_pack_sfix_v4df): Generate avx_cvtpd2dq256 and
	avx_vec_concatv8si patterns.

2011-11-15  Torvald Riegel  <>

	* c-parser.c (c_parser_transaction_expression): Require parentheses
	when parsing transaction expressions.

2011-11-15  Tristan Gingold  <>

	* incpath.c (get_added_cpp_dirs): New function.
	* incpath.h (get_added_cpp_dirs): Declare.
	* config/vms/vms-c.c (vms_c_register_includes): New function.
	(vms_std_modules): New variable.
	* config/vms/vms.h (TARGET_EXTRA_INCLUDES): Define.
	(vms_c_register_includes): Declare.

2011-11-15  Tristan Gingold  <>

	* c-family/c-pragma.h (pragma_extern_prefix): Declare.
	* c-family/c-pragma.c (pragma_extern_prefix): Make it public.
	* config/vms/vms-c.c (saved_extern_prefix): New variable.
	(vms_pragma_extern_prefix): New function.
	(vms_c_register_pragma): Register vms_pragma_extern_prefix.

2011-11-15  Georg-Johann Lay  <>

	PR target/49868
	* config/avr/avr.h (ADDR_SPACE_PGM): New address spaces.
	* config/avr/avr-protos.h (avr_mem_pgm_p): New.
	(avr_load_libgcc_p): New.
	(avr_register_target_pragmas): New.
	(asm_output_external_libcall): Remove.
	(avr_log_t): Add field "progmem".  Order alphabetically.
	* config/avr/avr-log.c (avr_log_set_avr_log): Set avr_log.progmem.
	* config/avr/avr-c.c (langhooks.h): New include.
	(avr_register_target_pragmas): New function. Register address
	space __pgm.
	(avr_cpu_cpp_builtins): Add built-in define __PGM.

	* config/avr/avr.c: Include "c-family/c-common.h".
	(avr_addr_space_subset_p): ...this new static function.
	(avr_addr_space_convert): ...this new static function.
	(avr_addr_space_address_mode): ...this new static function.
	(avr_addr_space_pointer_mode): ...this new static function.
	(avr_addr_space_legitimate_address_p): ...this new static function.
	(avr_addr_space_legitimize_address): ...this new static function.
	(avr_mode_code_base_reg_class): Handle address spaces.
	(avr_regno_mode_code_ok_for_base_p): Ditto.
	(lpm_addr_reg_rtx, lpm_reg_rtx, all_regs_rtx): New static variables.
	(avr_option_override): Initialize them.
	(output_reload_in_const): Use all_regs_rtx. Fix signedness of loop
	(avr_pgm_segment): New static function.
	(avr_decl_pgm_p, avr_mem_pgm_p): New static functions.
	(avr_out_lpm, avr_out_lpm_no_lpmx): New static functions.
	(output_movqi, output_movhi, output_movsisf, avr_out_movpsi): Call
	avr_out_lpm to handle loads from progmem.
	(avr_load_libgcc_p): New static function.
	(avr_progmem_p): Test if decl is in flash.
	(avr_pgm_pointer_const_p): New static function.
	(avr_nonconst_pointer_addrspace): New static function.
	(avr_pgm_check_var_decl): New static function.
	(avr_insert_attributes): Use it.  Change error message to report
	cause (progmem or address space) when code wants to write to flash.
	(avr_section_type_flags): Unset section flag SECTION_BSS for
	data in progmem.

	* config/avr/ (nop_general_operand): New predicate.
	(nox_general_operand): New predicate.
	* config/avr/ (LPM_REGNO): New define_constant.
	(load<mode>_libgcc): New expander.
	(*load.<mode>.libgcc): New insn.
	(mov<mode>): Handle loads from non-generic AS.
	(movmemhi): Ditto.  Propagate address space information to newly
	created MEM.
	(movqi_insn, *movhi, *movpsi, *movsi, *movsf): Change predicate #1
	to nox_general_operand.
	(ashrqi3, ashrhi3, ashrsi3): Change predicate #1 to
	(ashlqi3, *ashlqi3, ashlhi3, ashlsi3): Ditto.
	(lshrqi3, *lshrqi3, lshrhi3, lshrsi3): Ditto.
	(split-lpmx): New split.
	(*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
	*lshrhi3_const, *lshrsi3_const): Indent, unquote C.

2011-11-15  Maxim Kuvyrkov  <>

	* ipa-cp.c (ipa_value_from_jfunc): Make global.
	(ipa_cst_from_jfunc): Remove, use ipa_value_from_jfunc instead.
	(get_indirect_edge_target): Rename, make global.
	(devirtualization_time_bonus, estimate_local_effects,)
	(ipcp_discover_new_direct_edges): Update.
	* ipa-inline-analysis.c (evaluate_conditions_for_edge):
	Generalize to also handle types.  Rename to ...
	(evaluate_properties_for_edge): Use instead of
	(estimate_edge_devirt_benefit): New function.
	(estimate_calls_size_and_time): Use it.
	(estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,)
	(inline_merge_summary):	Update.
	(do_estimate_edge_time, do_estimate_edge_growth): Update.  Calculate
	parameter information at the call site and pass it on to subroutines.
	* tree-inline.c (estimate_num_insns): Distinguish between direct and
	indirect calls.
	(init_inline_once): Set size and time costs or indirect calls.
	* tree-inline.h (eni_weights): Add indirect_call_cost.

2011-11-15  Tom de Vries  <>

	PR tree-optimization/51005
	* tree-ssa-tail-merge.c (delete_basic_block_same_succ): Rename to
	(update_worklist): Inline purge_bbs.
	(purge_bbs, unlink_virtual_phi, update_vuses, vop_at_entry)
	(delete_block_update_dominator_info): Remove.
	(replace_block_by): Remove update_vops parameter.  Partially evaluate
	for update_vops == false.
	(apply_clusters): Remove update_vops parameter.  Remove update_vops
	argument in replace_block_by call.
	(update_debug_stmts): Remove MAY_HAVE_DEBUG_STMTS test.
	(tail_merge_optimize): Remove update_vops argument to apply_clusters.
	Remove call to purge_bbs.  Add calls to calculate_dominance_info and
	free_dominance_info.  Add MAY_HAVE_DEBUG_STMTS	before calling
	update_debug_stmts.  Mark vop var for renaming, if necessary.

2011-11-15  Bernd Schmidt  <>

	PR rtl-optimization/51051
	* cfgrtl.c (cfg_layout_can_merge_blocks_p): Return FALSE if the
	move would cause fallthrough into the exit block.

2011-11-14  Richard Henderson  <>

	* config/rs6000/rs6000.c (emit_load_locked): Assert the mode is
	(emit_store_conditional): Likewise.
	(rs6000_pre_atomic_barrier, rs6000_post_atomic_barrier): New.
	(rs6000_adjust_atomic_subword): New.
	(rs6000_mask_atomic_subword, rs6000_finish_atomic_subword): New.
	(rs6000_expand_atomic_op): Rename from rs6000_emit_sync; rewrite
	for pre-reload expansion.
	(rs6000_split_compare_and_swap, rs6000_split_compare_and_swapqhi,
	rs6000_expand_compare_and_swapqhi): Merge into ...
	(rs6000_expand_atomic_compare_and_swap): ... here.  New function.
	rs6000_split_lock_test_and_set; expand immediately.  Handle
	QImode and HImode.
	* config/rs6000/ (UNSPEC_LWSYNC): Move and rename
	* config/rs6000/ (fetchopsi_constr, fetchopdi_constr): Remove.
	(mem_thread_fence): New.
	(hwsync): Rename from memory_barrier.
	(*hwsync): Rename from *sync_internal.
	(lwsync, *lwsync): Mirror hwsync implementation.
	(isync): Don't reference memory.
	(loadsync): New.
	(atomic_load<INT>, atomic_store<INT>): New.
	(ATOMIC): New mode iterator.
	(load_locked<ATOMIC>): Rename from load_locked_<GPR>.
	(store_conditional<ATOMIC>): Rename from store_conditional_<GPR>.
	(sync_compare_and_swap<GPR>): Remove.
	(sync_compare_and_swaphi, sync_compare_and_swapqi): Remove.
	(sync_compare_and_swapqhi_internal): Remove.
	(sync_lock_test_and_set<GPR>): Remove.
	(sync_<FETCHOP><INT1>): Remove.
	(*sync_<FETCHOP>si_internal, *sync_<FETCHOP>di_internal): Remove.
	(sync_nand<INT1>, *sync_nand<GPR>_internal): Remove.
	(sync_old_<FETCHOP><GPR>): Remove.
	(*sync_old_<FETCHOP>si_internal): Remove.
	(*sync_old_<FETCHOP>di_internal): Remove.
	(sync_old_nand<INT1>): Remove.
	(*sync_old_nand<GPR>_internal): Remove.
	(sync_new_<FETCHOP><GPR>): Remove.
	(*sync_new_<FETCHOP>si_internal): Remove.
	(*sync_new_<FETCHOP>di_internal): Remove.
	(sync_new_nand<INT1>): Remove.
	(*sync_new_nand<GPR>_internal): Remove.
	(*atomic_andsi, *atomic_anddi): Remove.
	(*sync_addshort_internal, *sync_subshort_internal): Remove.
	(*sync_andsi_internal, *sync_boolsi_internal): Remove.
	(*sync_boolcshort_internal): Remove.
	(sync_lock_release<INT1>): Remove.
	(atomic_compare_and_swap<INT1>): New.
	(atomic_exchange<INT1>): New.
	(atomic_<FETCHOP><INT1>, atomic_nand<INT1>): New.
	(atomic_fetch_<FETCHOP><INT1>, atomic_fetch_nand<INT1>): New.
	(atomic_<FETCHOP>_fetch<INT1>, atomic_nand_fetch<INT1>): New.

2011-11-14  Uros Bizjak  <>

	* config/i386/ (round<mode>2): Use register_operand for
	operand 1 predicate.
	(round<mode>2_sfix): Ditto.
	(round<mode>2_vec_pack_sfix): Ditto for operand 1 and operand 2.

2011-11-14  Nathan Sidwell  <>

	* gcov.c (canonicalize_name): Protect use of S_ISLNK.

2011-11-14  Jan Hubicka  <>

	PR target/51126
	* config/i386/i386.c (core cost model): Correct pasto.

2011-11-14  Uros Bizjak  <>

	* config/i386/ (round<mode>2_sfix): New expander.
	(round<mode>2_vec_pack_sfix): Ditto.
	(<sse4_1>_round<ssemodesuffix>_sfix<avxsizesuffix>): Ditto.
	(<sse4_1>_round<ssemodesuffix>_vec_pack_sfix<avxsizesuffix>): Ditto.
	* config/i386/builtin-types.def (V4SI_FTYPE_V4SF_ROUND,
	V8SI_FTYPE_V4DF_V4DF_ROUND): New builtin types.
	* config/i386/i386.c (ix86_builtins): Add
	(bdesc_args): Add __builtin_ia32_{floorpd,ceilpd}_vec_pack_sfix{,256},
	__builtin_ia32_roundps_az_sfix{,256} descriptions.
	(ix86_expand_sse_round_vec_pack_sfix): New.
	(ix86_expand_args_builtin): Handle V4SI_FTYPE_V4SF_ROUND,
	V8SI_FTYPE_V4DF_V4DF_ROUND types.  Check last argument of
	CODE_FOR_sse4_1_roundpd_vec_pack_sfix, CODE_FOR_sse4_1_roundps_sfix,
	CODE_FOR_avx_roundpd_vec_pack_sfix256 and CODE_FOR_avx_roundps_sfix256.
	(ix86_builtin_vectorized_function): Handle

2011-11-14  Jan Hubicka  <>

	PR middle-end/50598
	* cgraph.h (varpool_externally_visible_p): Declare.
	(varpool_add_new_variable): Declare.
	* tree-emultls.c (get_emutls_init_templ_addr,
	new_emutls_decl): Use varpool_add_new_variable.
	* ipa.c (varpool_externally_visible_p): Export.
	* varpool.c (varpool_add_new_variable): New function.

2011-11-14  Michael Zolotukhin  <>
	    Jan Hubicka  <>

	* config/i386/i386.h (processor_costs): Add second dimension to
	stringop_algs array.
	* config/i386/i386.c (cost models): Initialize second dimension of
	stringop_algs arrays.
	(core_cost): New costs based on generic64 costs with updated stringop
	(promote_duplicated_reg): Add support for vector modes, add
	(promote_duplicated_reg_to_size): Likewise.
	(processor_target): Set core costs for core variants.
	(expand_set_or_movmem_via_loop_with_iter): New function.
	(expand_set_or_movmem_via_loop): Enable reuse of the same iters in
	different loops, produced by this function.
	(emit_strset): New function.
	(expand_movmem_epilogue): Add epilogue generation for bigger sizes,
	use SSE-moves where possible.
	(expand_setmem_epilogue): Likewise.
	(expand_movmem_prologue): Likewise for prologue.
	(expand_setmem_prologue): Likewise.
	(expand_constant_movmem_prologue): Likewise.
	(expand_constant_setmem_prologue): Likewise.
	(decide_alg): Add new argument align_unknown.  Fix algorithm of
	strategy selection if TARGET_INLINE_ALL_STRINGOPS is set; Skip sse_loop
	(decide_alignment): Update desired alignment according to chosen move
	(ix86_expand_movmem): Change unrolled_loop strategy to use SSE-moves.
	(ix86_expand_setmem): Likewise.
	(ix86_slow_unaligned_access): Implementation of new hook
	* config/i386/ (strset): Enable half-SSE moves.
	* config/i386/ (vec_dupv4si): Add expand for vec_dupv4si.
	(vec_dupv2di): Add expand for vec_dupv2di.

2011-11-14  Dimitrios Apostolou  <>

	PR bootstrap/51094
	PR middle-end/51116
	* config/elfos.h (TARGET_ASM_INTERNAL_LABEL): Remove.
	* varasm.c (default_elf_internal_label): Remove.

2011-11-14  Kai Tietz  <>

	* gcov.c (generate_results): Add missing semicolon and correct indent.

2011-11-14  Ira Rosen  <>

	PR bootstrap/51112
	* tree-vect-stmts.c (vectorizable_condition): Initialize comp_vectype.

2011-11-14  Mingjie Xing  <>

	* doc/invoke.texi (Wunused-result): Change @pxref{Variable Attributes}
	to @pxref{Function Attributes}.

2011-11-13  Oleg Endo  <>

	PR target/50694
	New macros.
	(DRIVER_SELF_SPECS): Use new macros to filter out unsupported options
	taking the default configuration into account.

2011-11-13  Jonathan Wakely  <>

	* doc/install.texi (Specific): Fix anchor for

2011-11-13  Nathan Sidwell  <>

	* gcov.c (source_prefix, source_length): New globals.
	(flag_relative_only): Likewise.
	(print_usage, options, process_args): Update.
	(generate_results): Use, check
	flag_relative_only. Adjust messages.
	(find_source): Check source_prefix.
	(output_lines): Use, adjust messages.
	* doc/gcov.texi (Invoking Gcov): Document new options.

2011-11-12  Jason Merrill  <>

	PR c++/51060
	* gimplify.c (gimplify_target_expr): Add a clobber to the cleanup.
	(gimplify_modify_expr): Don't try to simplify it.

2011-11-12  Dimitrios Apostolou  <>

	PR bootstrap/51094
	* config/elfos.h (STRING_ASM_OP): Define.
	* varasm.c (default_elf_asm_output_limited_string): Use it.

	PR bootstrap/51094
	* gcc/ Check for stpcpy declaration.
	* system.h: Declare it if not.
	*, configure: Regenerate.

2011-11-12  Richard Henderson  <>

	* config/rs6000/ (fix_trunc<SFDF>si2_stfiwx): Use
	nonimmediate_operand for the destination.
	(fixuns_trunc<SFDF>si2_stfiwx): Likewise.

	* builtins.c (expand_builtin_compare_and_swap): If target is const0,
	don't pass the target to expand_atomic_compare_and_swap.
	(expand_builtin_atomic_compare_exchange): Likewise.

	* config/sh/linux.h (TARGET_INIT_LIBFUNCS): New.
	* config/sh/sh.c (sh_init_sync_libfuncs): New.

	* config/pa/pa-linux.h (TARGET_SYNC_LIBCALL): New.
	* config/pa/pa.h (TARGET_SYNC_LIBCALL): New default.
	* config/pa/pa.c (pa_init_libfuncs): Use init_sync_libfuncs.

2011-11-12  Iain Sandoe  <>

	PR target/45233
	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
	Only expand a symbol ref. into an access when the entity is defined
	in the TU.

2011-11-12  Jan Hubicka  <>

	PR bootstrap/50822
	* cgraphunit.c (output_weakrefs): Output really only weakrefs.

2011-11-12  Nathan Sidwell  <>

	* gcov.c (struct name_map): New.
	(names, n_names, a_names): New global vars.
	(print_usage): Adjust usage.
	(generate_results): Canonicalize main file name.
	(release_structures): Adjust.
	(name_search, name_sort): New callbacks.
	(find_source): Look for and create a canonical name.
	(canonicalize_name): New.
	(make_gcov_file_name): Reimplement and fix mangling.
	(mangle_name): New.
	* doc/gcov.texi: Update documentation about path preservation.

2011-11-11  David S. Miller  <>

	* config/sparc/linux.h (ASM_GENERATE_INTERNAL_LABEL): Delete.
	* config/sparc/linux64.h (ASM_GENERATE_INTERNAL_LABEL): Delete.

2011-11-11  Jakub Jelinek  <>

	* config/i386/i386-protos.h (ix86_maybe_emit_epilogue_vzeroupper):
	New prototype.
	* config/i386/i386.c (ix86_maybe_emit_epilogue_vzeroupper): New
	(ix86_expand_epilogue): Use it.
	* config/i386/ (return, simple_return): Call it in the

	PR tree-optimization/51091
	* tree-stdarg.c (execute_optimize_stdarg): Ignore TREE_CLOBBER_P
	rhs also in the va_list_simple_ptr case.

	PR tree-optimization/51058
	* tree-vect-slp.c (vect_remove_slp_scalar_calls): New function.
	(vect_schedule_slp): Call it.
	* tree-vect-stmts.c (vectorizable_call): If slp_node != NULL,
	don't replace scalar calls with setting of their lhs to zero here.

	PR tree-optimization/51074
	* fold-const.c (vec_cst_ctor_to_array, fold_vec_perm): New functions.
	(fold_binary_loc): Handle VEC_EXTRACT_EVEN_EXPR,
	(fold_ternary_loc): Handle VEC_PERM_EXPR with VECTOR_CST or
	CONSTRUCTOR operands.
	* tree-ssa-propagate.c (valid_gimple_rhs_p): Handle ternary
	* tree-vect-generic.c (lower_vec_perm): Mask sel_int elements
	to 0 .. 2 * elements - 1.

2011-11-11  Richard Henderson  <>

	* gimple-pretty-print.c (dump_gimple_omp_atomic_load): Dump needed.
	(dump_gimple_omp_atomic_store): Likewise.
	* optabs.c (can_atomic_exchange_p): New.
	* optabs.h (can_atomic_exchange_p): Declare.
	* omp-low.c (expand_omp_atomic_load): Implement.
	(expand_omp_atomic_store): Likewise.
	(expand_omp_atomic): Update for new arguments to load/store.

2011-11-11  Eric Botcazou  <>

	* cprop.c: Adjust outdated comments throughout.
	(hash_scan_set): Rename PAT parameter into SET.
	(cprop_pavloc): Rename into...
	(cprop_avloc): ...this.
	(cprop_absaltered): Rename into...
	(cprop_kill): ...this.
	(alloc_cprop_mem): Adjust for above renaming.
	(free_cprop_mem): Likewise.
	(compute_cprop_data): Likewise.
	(compute_local_properties): Rename TRANSP parameter into KILL and
	adjust throughout.  Rework comments.
	(try_replace_reg): Fix long line.
	(cprop_jump): Likewise.
	(constprop_register): Fix prototype and take INSN last.
	(cprop_insn): Adjust calls to above function.  Fix long lines.
	(bypass_block): Likewise.
	(one_cprop_pass): Likewise.

2011-11-11  Uros Bizjak  <>

	* config/alpha/elf.h (ELF_ASCII_ESCAPES): Rename from ESCAPES.

2011-11-11  Jason Merrill  <>

	* varasm.c (default_elf_asm_output_limited_string): #ifdef
	(default_elf_asm_output_ascii): Likewise.

2011-11-11  Uros Bizjak  <>

	PR target/50762
	* config/i386/ (j): New address constraint.
	* config/i386/ (lea_address_operand): Redefine as
	special predicate.
	* config/i386/ (*lea_3_zext): Use "j" constraint for operand 1.
	(*lea_4_zext): Ditto.

2011-11-11  David S. Miller  <>

	2011-11-05  David S. Miller  <>

	* config/sparc/ (UNSPEC_SHORT_LOAD): New unspec.
	(zero-extend_v8qi_vis, zero_extend_v4hi_vis): New expanders.
	*zero_extend_v4hi_<P:mode>_insn): New insns.
	* config/sparc/sparc.c (vector_init_move_words,
	vector_init_prepare_elts, sparc_expand_vector_init_vis2,
	sparc_expand_vector_init_vis1): New functions.
	(vector_init_bshuffle): Rewrite to handle more cases and make use
	of locs[] array prepared by vector_init_prepare_elts.
	(vector_init_fpmerge, vector_init_faligndata): Delete.
	(sparc_expand_vector_init): Rewrite using new infrastructure.

2011-11-11  Jakub Jelinek  <>

	* opts-common.c (generate_canonical_option): Free opt_text
	it it has been allocated here and not stored anywhere.

	* tree-vect-slp.c (vect_free_slp_tree): Also free SLP_TREE_CHILDREN
	(vect_create_new_slp_node): Don't allocate node before checking stmt
	(vect_free_oprnd_info): Remove FREE_DEF_STMTS argument, always
	free def_stmts vectors and additionally free oprnd_info.
	(vect_build_slp_tree): Adjust callers.  Call it even if
	stop_recursion.  If vect_create_new_slp_node or
	vect_build_slp_tree fails, properly handle freeing memory.
	If it succeeded, clear def_stmts in oprnd_info.

2011-11-11  Dimitrios Apostolou  <>

	multiple lines for readability.
	* output.h (fprint_whex, fprint_w, fprint_ul, sprint_ul): Declare.
	(ASM_OUTPUT_LABELREF): Call fputs instead of asm_fprintf.
	* dwarf2asm.c (dw2_assemble_integer, dw2_asm_output_data,
	dw2_asm_data_uleb128, dw2_asm_delta_uleb128,
	dw2_asm_delta_sleb128): Convert fprintf calls to the new functions.
	* dwarf2out.c (dwarf2out_source_line): Call fprint_ul instead of
	* final.c (fprint_whex, fprint_w, fprint_ul, sprint_ul): New functions
	serving as fast replacements for fprintf integer to string conversions.
	(sprint_ul_rev): Internal helper for the above.
	(output_addr_const) <CONST_INT>: Don't use fprintf.
	* varasm.c: Fix some whitespace inconsistencies.
	(default_elf_asm_output_limited_string): New.
	(default_elf_asm_output_ascii): Likewise.
	(default_elf_internal_label): Likewise.
	* config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Use sprint_ul and
	stpcpy instead of sprintf.
	(TARGET_ASM_INTERNAL_LABEL): Define as default_elf_internal_label.
	provide the same functionality.
	* config/i386/i386.c (print_reg): Call fprint_ul instead of fprintf.

2011-11-10  Andrew MacLeod  <>

	* doc/extend.texi: Document __atomic_test_and_set and __atomic_clear.

2011-11-10  Andrew MacLeod  <>

	PR middle-end/51038
	* builtins.c (expand_builtin_atomic_clear): New.  Expand atomic_clear.
	(expand_builtin_atomic_test_and_set): New.  Expand atomic test_and_set.
	(expand_builtin): Add cases for test_and_set and clear.
	* sync-builtins.def (BUILT_IN_ATOMIC_TEST_AND_SET): New.

2011-11-10  Roberto Agostino Vitillo  <>

	PR debug/50983
	* dwarf2out.c (set_cur_line_info_table): Restore the last is_stmt
	value in the current line table.

2011-11-10  Nathan Sidwell  <>

	* gcov.c (struct function_info): Make src an index, not a pointer.
	(struct source_info): Remove index and next source fields.
	(fn_end): New static var.
	(sources_index): Remove.
	(sources): Now a pointer to an array, not a list.
	(n_sources, a_sources): New.
	(process_file): Adjust for changes to read_graph_file. Insert
	functions into source lists and check line numbers here.
	(generate_results): Only allocate lines for sources with
	contents.  Adjust for source array.
	(release_structures): Likewise.
	(find_source): Return source index, adjust for source array.
	(read_graph_file): Return function list.  Don't insert into source
	lists here.
	(read_count_file): Take list of functions.
	(solve_flow_graph): Reverse the arc lists here.
	(add_line_counts): Adjust for source array.

2011-11-10  Jakub Jelinek  <>

	PR middle-end/51077
	* tree-object-size.c (addr_object_size): Check TREE_CODE of
	MEM_REF's operand rather than code of the MEM_REF itself.

2011-11-10  Andrew MacLeod  <>

	PR rtl-optimization/51040
	* optabs.c (expand_atomic_fetch_op): Patchup code for NAND should
	be AND followed by NOT.
	* builtins.c (expand_builtin_atomic_fetch_op): Patchup code for NAND
	should be AND followed by NOT.

2011-11-10  Jakub Jelinek  <>

	* vec.h (VEC_BASE): If base is at offset 0 in the structure,
	use &(P)->base even if P is NULL.

	PR rtl-optimization/51023
	* combine.c (simplify_comparison) <case SIGN_EXTEND>: Don't use
	val_signbit_known_clear_p for signed comparison narrowing
	optimization.  Don't check for non-VOIDmode, use
	<case ZERO_EXTEND>: Don't check for non-VOIDmode.
	Optimize even when const_op is equal to GET_MODE_MASK (mode),
	don't optimize if const_op is negative.

2011-11-10  Richard Guenther  <>

	PR tree-optimization/51042
	* tree-ssa-pre.c (phi_translate_1): Avoid recursing on
	self-referential expressions.  Refactor code to avoid duplication.

2011-11-10  Richard Guenther  <>

	PR tree-optimization/51070
	* tree-loop-distribution.c (generate_builtin): Do not replace
	the loop with a builtin if the partition contains statements which
	results are used outside of the loop.
	(pass_loop_distribution): Verify and collect.

2011-11-10  Richard Guenther  <>

	PR tree-optimization/51030
	* tree-ssa-phiopt.c (jump_function_from_stmt): New function.
	(value_replacement): Use it to handle trivial non-empty
	intermediate blocks.

2011-11-10  Richard Guenther  <>

	PR middle-end/51071
	* gimple.c (gimple_has_side_effects): Remove checking code
	that doesn't belong here.

2011-11-10  Ira Rosen  <>

	PR tree-optimization/51058
	* tree-vect-slp.c (vect_get_constant_vectors): Handle CALL_EXPR.

2011-11-10  Jakub Jelinek  <>

	PR tree-optimization/51000
	* tree-vect-patterns.c (vect_recog_bool_pattern): If adding
	a pattern stmt for a bool store, adjust DR_STMT too.
	Don't handle bool conversions to single bit precision lhs.
	* tree-vect-stmts.c (vect_remove_stores): If next is a pattern
	stmt, remove its related stmt and free its stmt_vinfo.
	(free_stmt_vec_info): Free also pattern stmt's vinfo and
	pattern def stmt's vinfo.
	* tree-vect-loop.c (destroy_loop_vec_info): Don't try to
	free pattern stmt's vinfo here.
	(vect_transform_loop): When calling vect_remove_stores,
	do gsi_next first and don't call gsi_remove.  If not strided
	store, free stmt vinfo for gsi_stmt (si) rather than stmt.

2011-11-09  Jakub Jelinek  <>

	PR target/50911
	* config/i386/i386.c (expand_vec_perm_interleave2): If d->vmode is
	V4SImode, !TARGET_SSE2 and punpck[lh]* is needed, change dremap.vmode
	to V4SFmode.

	* function.h (requires_stack_frame_p): New prototype.
	* function.c (requires_stack_frame_p): No longer static.
	* config/i386/i386.c (ix86_finalize_stack_realign_flags): If
	stack_realign_fp was just a conservative guess for a function
	which doesn't use sp/fp/argp at all, clear frame_pointer_needed
	and stack realignment.

2011-11-09  Paolo Carlini  <>

	PR preprocessor/51061
	* incpath.c (merge_include_chains): Make sure to not pass null
	pointers to free_path.

2011-11-09  Paolo Carlini  <>

	* doc/invoke.texi ([Option Summary, C++ Language Options]):
	Add -Wzero-as-null-pointer-constant.

2011-11-07  Matthew Gretton-Dann  <>

	* config/arm/arm-cores.def: Add -mcpu=cortex-a7.
	* config/arm/arm-tables.opt: Regenerate.
	* config/arm/ Likewise.
	* config/arm/bpabi.h (BE8_LINK_SPEC): Add Cortex A-7.
	* doc/invoke.texi: Document -mcpu=cortex-a7.

2011-11-09  Richard Guenther  <>

	2011-11-09  Richard Guenther  <>

	* tree-cfg.c (verify_gimple_call): Verify that
	gimple_call_cannot_inline_p is returning a conservative
	correct result according to gimple_check_call_matching_types.

2011-11-09  Richard Guenther  <>

	PR tree-optimization/51039
	* tree-cfg.c (verify_gimple_call): Verify that
	gimple_call_cannot_inline_p is returning a conservative
	correct result according to gimple_check_call_matching_types.
	* ipa-inline-analysis.c (estimate_function_body_sizes): Remove
	code dealing with un-inlinablility.
	* gimple-streamer-in.c (input_gimple_stmt): Update the
	non-inlinable flag.

2011-11-09  Richard Guenther  <>

	PR tree-optimization/51039
	* tree-inline.c (setup_one_parameter): Always perform a
	valid gimple type change.
	(declare_return_variable): Likewise.

2011-11-09  Jakub Jelinek  <>

	* config/rs6000/ (vcondv4sfv4si, vcondv4siv4sf,
	vconduv4sfv4si): New patterns.
	* config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Handle
	different dest_mode from comparison mode.

2011-11-09  Richard Guenther  <>

	* gimple-fold.c (canonicalize_constructor_val): Mark
	address-taken variables addressable.

2011-11-09  Ira Rosen  <>

	PR tree-optimization/51015
	* tree-vect-loop.c (vect_determine_vectorization_factor): Expect
	vectype to be set for pattern def stmts.

2011-11-09  Alan Modra  <>

	* function.c (bb_active_p): Delete.
	(dup_block_and_redirect, active_insn_between): New functions.
	(convert_jumps_to_returns, emit_return_for_exit): New functions,
	split out from..
	(thread_prologue_and_epilogue_insns):  Delete
	shadowing variables.  Don't do prologue register clobber tests
	when shrink wrapping already failed.  Delete all last_bb_active
	code.  Instead compute tail block candidates for duplicating
	exit path.  Remove these from antic set.  Duplicate tails when
	reached from both blocks needing a prologue/epilogue and
	blocks not needing such.
	* ifcvt.c (dead_or_predicable): Test both flag_shrink_wrap and
	* bb-reorder.c (get_uncond_jump_length): Make global.
	* bb-reorder.h (get_uncond_jump_length): Declare.
	* cfgrtl.c (rtl_create_basic_block): Comment typo fix.
	(rtl_split_edge): Likewise.  Warning fix.
	(rtl_duplicate_bb): New function.
	(rtl_cfg_hooks): Enable can_duplicate_block_p and duplicate_block.
	* (function.o): Update dependencies.

2011-11-08  Ulrich Weigand  <>
	    Georg-Johann Lay  <>

	* doc/ (MODE_CODE_BASE_REG_CLASS): Add address space
	* doc/tm.texi: Regenerate.

	* config/cris/cris.h (MODE_CODE_BASE_REG_CLASS): Add address
	space argument.
	* config/bfin/bfin.h (MODE_CODE_BASE_REG_CLASS): Likewise.
	* config/avr/avr.h (MODE_CODE_BASE_REG_CLASS): Add address space
	* config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
	(avr_regno_mode_code_ok_for_base_p): Ditto.
	* config/avr/avr.c (avr_mode_code_base_reg_class): Ditto.
	(avr_regno_mode_code_ok_for_base_p): Ditto.
	(avr_reg_ok_for_addr_p): Pass AS down to

	* addresses.h (base_reg_class): Add address space argument.
	(ok_for_base_p_1): Add address space argument.  Pass to
	(regno_ok_for_base_p): Add address space argument.  Pass to

	* regrename.c (scan_rtx_address): Add address space argument.
	Pass address space to regno_ok_for_base_p and base_reg_class.
	Update recursive calls.
	(scan_rtx): Pass address space to scan_rtx_address.
	(build_def_use): Likewise.
	* regcprop.c (replace_oldest_value_addr): Add address space
	argument.  Pass to regno_ok_for_base_p and base_reg_class.
	Update recursive calls.
	(replace_oldest_value_mem): Pass address space to
	(copyprop_hardreg_forward_1): Likewise.

	* reload.c (find_reloads_address_1): Add address space argument.
	Pass address space to base_reg_class and regno_ok_for_base_p.
	Update recursive calls.
	(find_reloads_address): Pass address space to base_reg_class,
	regno_ok_for_base_p, and find_reloads_address_1.
	(find_reloads): Pass address space to base_reg_class.
	(find_reloads_subreg_address): Likewise.

	* ira-costs.c (record_reg_classes): Update calls to base_reg_class.
	(ok_for_base_p_nonstrict): Add address space argument.  Pass to
	(record_address_regs): Add address space argument.  Pass to
	base_reg_class and ok_for_base_p_nonstrict.  Update recursive calls.
	(record_operand_costs): Pass address space to record_address_regs.
	(scan_one_insn): Likewise.

	* caller-save.c (init_caller_save): Update call to base_reg_class.
	* ira-conflicts.c (ira_build_conflicts): Likewise.
	* reload1.c (maybe_fix_stack_asms): Likewise.

2011-11-08  Michael Matz  <>

	* gengtype.c (write_field_root): Avoid out-of-scope access of newv.

	* tree-stdarg.c (execute_optimize_stdarg): Accept clobbers.

	* tree.h (TREE_CLOBBER_P): New macro.
	* gimple.h (gimple_clobber_p): New inline function.
	* gimplify.c (gimplify_bind_expr): Add clobbers for all variables
	that go out of scope and live in memory.
	* tree-ssa-operands.c (get_expr_operands): Transfer volatility also
	for constructors.
	* cfgexpand.c (decl_to_stack_part): New static variable.
	(add_stack_var): Allocate it, and remember mapping.
	(fini_vars_expansion): Deallocate it.
	(stack_var_conflict_p): Add early outs.
	(visit_op, visit_conflict, add_scope_conflicts_1,
	add_scope_conflicts): New static functions.
	(expand_used_vars_for_block): Don't call add_stack_var_conflict, tidy.
	(expand_used_vars): Add scope conflicts.
	(expand_gimple_stmt_1): Expand clobbers to nothing.
	(expand_debug_expr): Ditto.

	* tree-pretty-print.c (dump_generic_node): Dump clobbers nicely.
	* tree-ssa-live.c (remove_unused_locals): Remove clobbers that
	refer to otherwise unused locals.
	* tree-sra.c (build_accesses_from_assign): Ignore clobbers.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Clobbers of
	SSA names aren't necessary.
	(propagate_necessity): Accept and ignore constructors on the rhs, tidy.
	* gimple.c (walk_gimple_op): Accept constructors like mem_rhs.
	* tree-ssa-structalias.c (find_func_aliases): Clobbers don't store
	any known value.
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Ditto, in particular they
	don't zero-initialize something.
	* tree-ssa-phiopt.c (cond_if_else_store_replacement_1): Ignore
	clobber RHS, we don't want PHI nodes with those.

2011-11-08  Jakub Jelinek  <>

	* config/i386/i386.c (ix86_preferred_simd_mode): Even for TARGET_AVX
	if not TARGET_PREFER_AVX128 return 32-byte integer vectors.

2011-11-08  Richard Guenther  <>

	PR tree-optimization/51012
	* ipa-prop.c (update_indirect_edges_after_inlining): Fixup
	non-inlinable state.
	* cgraph.c (cgraph_make_edge_direct): Likewise.

2011-11-08  Eric Botcazou  <>

	PR rtl-optimization/47698
	* ifcvt.c (noce_operand_ok): Move around comment.

2011-11-08  Richard Guenther  <>

	PR lto/50999
	* lto-opts.c (append_to_collect_gcc_options): Split out from...
	(lto_write_options): ... here.  Prepend frontend specific flags.

2011-11-08  Jakub Jelinek  <>

	* config/i386/ (*avx_vperm2f128<mode>3_nozero): Emit mask
	0x12 and 0x20 as vinsert[fi]128 instead of vperm2[fi]128.

	* tree-vect-stmts.c (vectorizable_call): Add SLP_NODE argument.
	Handle vectorization of SLP calls.
	(vect_analyze_stmt): Adjust caller, add call to it for SLP too.
	(vect_transform_stmt): Adjust vectorizable_call caller, remove
	* tree-vect-slp.c (vect_get_and_check_slp_defs): For calls start
	with op_idx 3.
	(vect_build_slp_tree): Allow CALL_EXPR.

2011-11-08  Richard Guenther  <>

	* gimple-fold.c (canonicalize_constructor_val): Make sure
	we have referenced vars setup before adding to them.

2011-11-07  Richard Henderson  <>
	    Aldy Hernandez  <>
	    Andrew MacLeod  <>
	    Torvald Riegel  <>

	Merged from transactional-memory.

	* gtm-builtins.def: New file.
	* trans-mem.c: New file.
	* trans-mem.h: New file.

	* opts.c (finish_options): Error out when using -flto and -fgnu-tm.

	* config/i386/i386.c: Define TARGET_VECTORIZE* transactional variants.
	(ix86_handle_tm_regparm_attribute, struct bdesc_tm,
	ix86_builtin_tm_load, ix86_builtin_tm_store,
	ix86_init_tm_builtins): New.
	(ix86_init_builtins): Initialize TM builtins.
	(struct ix86_attribute_table): Add "*tm regparm".
	* config/i386/i386-builtin-types.def (PV2SI): Define.
	(PCV2SI): Define.
	Define VOID_PV2SI_V2SI.

	* doc/invoke.texi (C Dialect Options): Document -fgnu-tm and
	* doc/tm.texi: Regenerate.

	* attribs.c (apply_tm_attr): New.
	(init_attributes): Allow '*' prefix for overrides.
	(register_attribute): Likewise.
	* builtin-attrs.def (ATTR_TM_TMPURE, ATTR_TM_REGPARM): New.
	* builtin-types.def (BT_FN_I[1248]_VPTR, BT_FN_FLOAT_VPTR,
	* builtins.def: Include gtm-builtins.def. Add comments regarding
	transactional memory synchronization.
	* c-parser.c (struct c_parser): Add in_transaction.
	(c_parser_transaction, c_parser_transaction_expression,
	c_parser_transaction_cancel, c_parser_transaction_attributes): New.
	(c_parser_attribute_any_word): Split out from c_parser_attributes.
	(c_parser_statement_after_labels): Handle RID_TRANSACTION*.
	(c_parser_unary_expression): Same.
	* c-tree.h (c_finish_transaction): Declare.
	* c-typeck.c (c_finish_transaction): New.
	(build_function_call_vec): Call tm_malloc_replacement.
	* calls.c (is_tm_builtin): New.
	(flags_from_decl_or_type): Add ECF_TM_BUILTIN and ECF_TM_PURE.
	* cfgbuild.c (make_edges): Add edges for REG_TM notes.
	* cfgexpand.c (expand_call_stmt): Call
	(gimple_expand_cfg): Free the tm_restart map.
	(mark_transaction_restart_calls): New.
	* cfgrtl.c (purge_dead_edges): Look for REG_TM notes.
	* cgraph.c (dump_cgraph_node): Handle tm_clone.
	* cgraph.h (struct cgraph_node): Add tm_clone field.
	(decl_is_tm_clone): New.
	(struct cgraph_local_info): Add tm_may_enter_irr.
	(cgraph_copy_node_for_versioning): Declare.
	* cgraphunit.c (cgraph_copy_node_for_versioning): Export;
	copy analyzed from old version.
	* combine.c (distribute_notes): Handle REG_TM notes.
	* common.opt: Add -fgnu-tm.
	* crtstuff.c (__TMC_LIST__, __TMC_END__): New.
	(__do_global_dtors_aux): Deregister clone table.
	(frame_dummy): Register clone table.
	* emit-rtl.c (try_split): Handle REG_TM. Early return if no function
	* gimple-low.c (lower_stmt): Handle GIMPLE_EH_ELSE and
	(gimple_stmt_may_fallthru): Handle GIMPLE_EH_ELSE.
	* gimple-pretty-print.c: Include trans-mem.h.
	(dump_gimple_fmt): Add %x.
	(dump_gimple_call): Dump arguments for calls to _ITM_beginTransaction.
	(dump_gimple_eh_else, dump_gimple_transaction): New.
	(dump_gimple_stmt): Handle GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
	* gimple.c (gimple_build_eh_else, gimple_build_transaction): New.
	(walk_gimple_seq): Honor removed_stmt. Document usage of removed_stmt
	(walk_gimple_op): Handle GIMPLE_TRANSACTION.
	(walk_gimple_stmt): Initialize and honor removed_stmt.
	(gimple_copy): Handle GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
	* gimple.h (struct gimple_statement_eh_else,
	gimple_statement_transaction, GTMA_*): New.
	(gimple_statement_d): Add gimple_statement_eh_else and
	(gimple_build_eh_else, gimple_build_transaction,
	gimple_fold_call, diagnose_tm_safe_errors): Declare.
	(get_call_expr_in): Remove prototype.
	(gimple_has_substatements): Add GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
	(gimple_eh_else_n_body, gimple_eh_else_e_body,
	gimple_eh_else_set_n_body, gimple_eh_else_set_e_body,
	gimple_transaction_body, gimple_transaction_label,
	gimple_transaction_label_ptr, gimple_transaction_subcode,
	gimple_transaction_set_body, gimple_transaction_set_label,
	gimple_transaction_set_subcode): New.
	(struct walk_stmt_info): Use BOOL_BITFIELD; add removed_stmt.
	* gimplify.c (create_tmp_var_name): Use clean_symbol_name.
	(voidify_wrapper_expr): Handle TRANSACTION_EXPR.
	(gimplify_transaction): New.
	(gimplify_expr): Handle TRANSACTION_EXPR.
	* gsstruct.def (GSS_EH_ELSE, GSS_TRANSACTION): New.
	* ipa-inline.c (can_inline_edge_p): Do not inline TM safe calling
	TM pure functions.
	* Add trans-mem.o and dependencies.
	(BUILTINS_DEF): Add gtm-builtins.def.
	(gimple-pretty-print.o): Depend on TRANS_MEM_H.
	(GTFILES): Add trans-mem.c.
	* output.h (record_tm_clone_pair, finish_tm_clone_pairs,
	get_tm_clone_pair): Declare.
	* params.def (PARAM_TM_MAX_AGGREGATE_SIZE): New.
	* passes.c (init_optimization_passes): Place transactional memory
	* print-tree.c (print_node): Dump tm-clone.
	* recog.c (peep2_attempt): Handle REG_TM.
	* reg-notes.def (TM): New.
	* rtlanal.c (alloc_reg_note): Handle REG_TM.
	* target.def (builtin_tm_load, builtin_tm_store): New.
	* targhooks.c (default_builtin_tm_load_store): New.
	* targhooks.h (default_builtin_tm_load_store): Declare.
	* timevar.def (TV_TRANS_MEM): New.
	* toplev.c (compile_file): Call finish_tm_clone_pairs.
	* tree-cfg.c (make_edges): Handle GIMPLE_TRANSACTION.
	(cleanup_dead_labels): Handle GIMPLE_TRANSACTION. Avoid unnecessary
	writes into the statements to update labels.
	(is_ctrl_altering_stmt): Add TM ending statements. Handle
	(verify_gimple_transaction): New.
	(verify_gimple_stmt): Handle GIMPLE_TRANSACTION.
	(verify_gimple_in_seq_2): Handle GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
	(gimple_redirect_edge_and_branch): Handle TM_TRANSACTION.
	(dump_function_to_file): Display [tm-clone] if applicable.
	* tree-eh.c (struct_ptr_eq): Make inline and move to tree.h.
	(struct_ptr_hash): Same.
	(collect_finally_tree): Handle GIMPLE_EH_ELSE.
	(replace_goto_queue_1): Likewise.
	(get_eh_else): New.
	(honor_protect_cleanup_actions): Handle GIMPLE_EH_ELSE.
	(lower_try_finally_nofallthru): Likewise.
	(lower_try_finally_onedest): Likewise.
	(lower_try_finally_copy): Likewise.
	(lower_try_finally_switch): Likewise.
	(lower_try_finally): Likewise.
	(decide_copy_try_finally): Likewise.
	(lower_eh_constructs_2): Likewise.
	(refactor_eh_r): Likewise.
	* tree-flow.h (struct gimple_df): Add tm_restart field.
	Define tm_restart_node.
	* tree-inline.c (remap_gimple_stmt): Handle GIMPLE_TRANSACTION.
	(estimate_num_insns): Likewise.
	(init_inline_once): Init tm_cost.
	* tree-inline.h (struct eni_weights_d): Add tm_cost.
	* tree-pass.h (pass_diagnose_tm_blocks, pass_lower_tm, pass_tm_init,
	pass_tm_mark, pass_tm_memopt, pass_tm_edges, pass_ipa_tm): Declare.
	* tree-pretty-print.c (dump_generic_node): Handle TRANSACTION_EXPR.
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle
	Add support for TM vector loads.  Add support for TM logging builtins.
	(call_may_clobber_ref_p_1): Add support for vector stores.
	* tree-ssa-structalias.c (find_func_aliases): Add support for TM
	vector stores and loads. Handle BUILT_IN_TM_MEMSET,
	* tree.c (strip_invariant_refs): Moved from gimple.c to here.
	(local_define_builtin): Handle ECF_TM_PURE.
	(build_common_builtin_nodes): Set __builtin_eh_pointer to ECF_TM_PURE.
	* tree.def (TRANSACTION_EXPR): New.
	* tree.h (strip_invariant_refs): Moved from gimple.h to here.
	(struct tree_function_decl): Add tm_clone_flag.
	(struct_ptr_eq, struct_ptr_hash): New.
	(apply_tm_attr): Declare.
	(is_tm_safe_or_pure): New.
	(build_tm_abort_call, is_tm_safe, is_tm_pure,
	is_tm_may_cancel_outer, is_tm_ending_fndecl, record_tm_replacement,
	tm_malloc_replacement): Declare.
	* varasm.c (tm_clone_hash): New.
	(record_tm_clone_pair, finish_tm_clone_pairs, get_tm_clone_pair,
	dump_tm_clone_to_vec, dump_tm_clone_pairs, tm_alias_pair_cmp): New.
	(struct tm_alias_pair): New.  Declare VEC types for object.

2011-11-07  Richard Henderson  <>

	* optabs.h (OTI_sync_compare_and_swap, OTI_sync_lock_test_and_set,
	OTI_sync_old_add, OTI_sync_old_sub, OTI_sync_old_ior,
	OTI_sync_old_and, OTI_sync_old_xor, OTI_sync_old_nand,
	OTI_sync_new_add, OTI_sync_new_sub, OTI_sync_new_ior,
	OTI_sync_new_and, OTI_sync_new_xor, OTI_sync_new_nand): Move and
	rename from the direct_optab_index enum.
	(sync_compare_and_swap_optab, sync_lock_test_and_set_optab,
	sync_old_add_optab, sync_old_sub_optab, sync_old_ior_optab,
	sync_old_and_optab, sync_old_xor_optab, sync_old_nand_optab,
	sync_new_add_optab, sync_new_sub_optab, sync_new_ior_optab,
	sync_new_and_optab, sync_new_xor_optab, sync_new_nand_optab): Read
	from the optab_table, not the direct_optab_table.
	(init_sync_libfuncs): Declare.
	(can_compare_and_swap_p): Update parameters.
	* optabs.c (init_sync_libfuncs_1, init_sync_libfuncs): New.
	(can_compare_and_swap_p): Add allow_libcall parameter; if true,
	test for the legacy compare-and-swap libcall.
	(expand_atomic_exchange): Use the legacy test-and-set libcall.
	(expand_atomic_compare_and_swap): Use the legacy CAS libcall.
	(struct atomic_op_functions): Update for optab type changes.
	(maybe_emit_op): Likewise.
	(expand_atomic_fetch_op): Use the legacy fetch-op libcalls.
	* builtins.c (fold_builtin_atomic_always_lock_free): Update call
	to can_compare_and_swap_p.
	* omp-low.c (expand_omp_atomic_fetch_op): Likewise.
	(expand_omp_atomic_pipeline): Likewise.
	* genopinit.c (optabs): Make sync_old_*_optab, sync_new_*_optab,
	sync_compare_and_swap_optab, sync_lock_test_and_set_optab regular
	* doc/md.texi (sync_compare_and_swap): Update docs for libcalls.

2011-11-07  Jakub Jelinek  <>

	* config/i386/i386-bultin-types.def (V8SI_FTYPE_V4DF_V4DF): Add.
	* config/i386/i386.c (enum ix86_builtins): Add
	(bdesc_args): Add __builtin_ia32_vec_pack_sfix256.
	(ix86_expand_args_builtin): Handle V8SI_FTYPE_V4DF_V4DF.
	(ix86_builtin_vectorized_function): Also vectorize lrint using
	256-bit vectors for -mavx.

2011-11-07  Anatoly Sokolov  <>

	* config/cris/ New file.
	* config/cris/cris.c: Incule "tm-constrs.h".
	(cris_print_operand): Use satisfies_constraint_O.
	(cris_normal_notice_update_cc, cris_rtx_costs): Use
	(cris_address_cost): Use satisfies_constraint_L.
	* config/cris/ Include "".
	(*mov_side<mode>, *mov_sidesisf, *mov_side<mode>_mem,
	*mov_sidesisf_mem, *clear_side<mode>, *ext_sideqihi,
	*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>,
	*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side,
	*extop<mode>si_swap_side): Use satisfies_constraint_N and
	(moversideqi movemsideqi mover2side peephole2): Use
	satisfies_constraint_N and satisfies_constraint_J.
	(andu peephole2): Use satisfies_constraint_I and

2011-11-07  Uros Bizjak  <>

	* config/i386/i386.c (ix86_builtin_vectorized_function): Handle

2011-11-07  Andrew MacLeod  <>

	* optabs.c (get_atomic_op_for_code): Fill in optab table at runtime so
	SWITCHABLE_TARGET can change the values during compilation.
	(expand_atomic_fetch_op): Handle parameter change ripples for
	get_atomic_op_for_code call.

2011-11-07  Andrew MacLeod  <>

	* doc/extend.texi: Docuemnt behaviour change for __atomic_exchange and
	* optabs.c (expand_atomic_exchange): Expand to __sync_lock_test_and_set
	only when originated from that builtin.
	(expand_atomic_store): Expand to __sync_lock_release when originated
	from that builtin.
	* builtins.c (expand_builtin_sync_lock_test_and_set): Add flag that
	expand_atomic_exchange call originated from here.
	(expand_builtin_sync_lock_release): Add flag that expand_atomic_store
	call originated from here.
	(expand_builtin_atomic_exchange): Add origination flag.
	(expand_builtin_atomic_store): Add origination flag.
	* expr.h (expand_atomic_exchange, expand_atomic_store): Add boolean
	parameters to indicate implementation fall back options.

2011-11-07  Georg-Johann Lay  <>

	* config/avr/avr.c (output_reload_in_const): Can handle CONSTANT_P
	now, not only CONST_INT and CONST_DOUBLE.
	(output_movqi): Use output_reload_in_const.
	(output_reload_inhi): Ditto.
	(output_reload_insisf): Move assertion to output_reload_in_const.
	(avr_out_reload_inpsi): Ditto.

2011-11-07  Nathan Sidwell  <>

	* gcov.c (object_summary): Replace with ...
	(object_runs): ... this.
	(process_file): Remove functions with no data.
	(generate_results): Ignore files with no lines.
	(release_function): New helper, broken out of ...
	(release_structures): ... here.  Use it.
	(read_count_file): Adjust for new data file format.
	(output_lines): Use object_runs.
	* gcov-io.h (GCOV_TAG_OBJECT_SUMMARY): Obsolete.
	(struct gcov_ctr_info): Move definition.
	(struct gcov_fn_info): Add key field, use gcov_ctr_info for
	trailing array.
	(struct gcov_info): Add merge function array, remove mask and
	counts.  Trailing array is array of pointers to function info.
	* coverage.c (struct function_list): Replace counter numbers with
	counter arrays.  Add fndecl field.  GTYify.
	(counts_entry): Remove chain workspace.
	(functions_head): GTYify.
	(prg_n_ctrs): Remove.
	(fn_v_ctrs): New.
	(tree_ctr_tables): Remove.
	(read_counts_file): Cope with blank entries and expect program
	summaries before functions.  Don't warn on missing entries.
	(coverage_counter_alloc): Allocate individual function arrays.
	(tree_coverage_counter_ref, tree_coverage_counter_addr): Adjust
	for individual function arrays.
	(coverage_end_function): GTYify function list object. Finalize
	function's counter arrays.
	(build_var): New.  Create a counter-related variable with
	appropriate linkage.
	(build_fn_info_type): Adjust for new runtime structure.
	(build_fn_info_value): Rename to ...
	(build_fn_info): ... here.  Build new format data.
	(build_ctr_info_type, build_ctr_info_value): Remove.
	(build_info_type): New. Build new format data structure.
	(build_info): Adjust for new format data.
	(create_coverage): Likewise.
	* gcov-dump.c (tag_function): Recognize placeholders.

2011-11-07  Georg-Johann Lay  <>

	* config/avr/ (Cm2): New constraint for int -2.
	* config/avr/ (addqi3): Use it. New alternatives for +/-2.
	(*negqihi2): New insn.

2011-11-07  H.J. Lu  <>

	* dwarf2cfi.c (dwarf2out_frame_debug_expr): Check
	HARD_FRAME_POINTER_REGNUM instead of hard_frame_pointer_rtx in Rule 18.

2011-11-07  Jakub Jelinek  <>

	* config/i386/i386.c (ix86_expand_builtin): If gather mask
	argument is known to have all high bits set, pass pc_rtx as
	second argument to the expander instead of op0.
	* config/i386/ (*avx2_gathersi<mode>_2,
	*avx2_gatherdi<mode>_2): New patterns.
	* config/i386/avx2intrin.h (_mm256_i32gather_pd,
	_mm256_i64gather_pd, _mm256_i32gather_ps): Set mask using
	_mm256_cmp_pd with zero vector arguments and _CMP_EQ_OQ instead of

	PR tree-optimization/50789
	* tree-vect-stmts.c (process_use): Add force argument, avoid
	exist_non_indexing_operands_for_use_p check if true.
	(vect_mark_stmts_to_be_vectorized): Adjust callers.  Handle
	(gen_perm_mask): New function.
	(perm_mask_for_reverse): Use it.
	(reverse_vec_element): Rename to...
	(permute_vec_elements): ... this.  Add Y and MASK_VEC arguments,
	generalize for any permutations.
	(vectorizable_load): Adjust caller.  Handle STMT_VINFO_GATHER_P.
	* target.def (TARGET_VECTORIZE_BUILTIN_GATHER): New hook.
	* doc/tm.texi: Regenerate.
	* tree-data-ref.c (initialize_data_dependence_relation,
	compute_self_dependence): No longer static.
	* tree-data-ref.h (initialize_data_dependence_relation,
	compute_self_dependence): New prototypes.
	* tree-vect-data-refs.c (vect_check_gather): New function.
	(vect_analyze_data_refs): Detect possible gather load data refs.
	* tree-vectorizer.h (struct _stmt_vec_info): Add gather_p field.
	(vect_check_gather): New prototype.
	* config/i386/i386-builtin-types.def: Add types for alternate
	gather builtins.
	* config/i386/ (AVXMODE48P_DI): Remove.
	(VEC_GATHER_MODE): Rename mode_attr to...
	(VEC_GATHER_IDXSI): ... this.
	(avx2_gathersi<mode>, *avx2_gathersi<mode>): Use <VEC_GATHER_IDXSI>
	instead of <VEC_GATHER_MODE>.
	(avx2_gatherdi<mode>): Use <VEC_GATHER_IDXDI> instead of
	on src and mask operands.
	(*avx2_gatherdi<mode>): Likewise.  Use VEC_GATHER_MODE iterator
	instead of AVXMODE48P_DI.
	(avx2_gatherdi<mode>256, *avx2_gatherdi<mode>256): Removed.
	* config/i386/i386.c (enum ix86_builtins): Add
	(ix86_init_mmx_sse_builtins): Create those builtins.
	(ix86_expand_builtin): Handle those builtins and adjust expansions
	of other gather builtins.
	(ix86_vectorize_builtin_gather): New function.

2011-11-07  Uros Bizjak  <>

	* config/i386/f16cintrin.h: Remove extra _X86INTRIN_H_INCLUDED check.

2011-11-07  Tristan Gingold  <>

	* config.gcc (*-*-*vms*): Set c_target_objs, cxx_target_objs.
	* config/vms/t-vms: Add vms-c.o rule.
	* config/vms/vms-c.c: New file.
	* config/vms/vms-protos.h (vms_c_register_pragma): New prototype.
	* config/vms/vms.h (REGISTER_TARGET_PRAGMAS): Define.

2011-11-07  Tristan Gingold  <>

	* config/alpha/vms.h (TARGET_OBJECT_SUFFIX,
	(TARGET_DEFAULT): Tune according to POINTER_SIZE.
	(MASK_RETURN_ADDR): Define in 64 bit mode.
	* config/ia64/vms.h: Likewise.
	* config/vms/vms.h: New file.
	* config/vms/vms64.h: New file.
	* config/alpha/vms64.h: Removed.
	* config/ia64/vms64.h: Removed.
	* config.gcc (alpha64-dec-*vms*, alpha*-dec-*vms*, ia64-hp-*vms*):
	Adjust for above change.

2011-11-07  Enkovich Ilya  <>

	PR target/50962
	* config/i386/i386-protos.h (ix86_use_lea_for_mov): New.
	* config/i386/i386.c (ix86_use_lea_for_mov): Likewise.
	* config/i386/ (movsi_internal): Emit lea if profitable.
	(movdi_internal_rex64): Likewise.

2011-11-07  Sergey Ostanevich  <>

	PR rtl-optimization/47698
	* ifcvt.c (noce_operand_ok): Return false for mems with side effects.

2011-11-07  Tristan Gingold  <>

	* common/config/alpha/alpha-common.c (alpha_option_init_struct):
	New function.
	* config/alpha/alpha.c (TARGET_MIN_ANCHOR_OFFSET)

2011-11-06  Quentin Neill  <>

	Fix r180999, update ChangeLog
	* config.gcc: Add f16cintrin.h.
	* config/i386/f16cintrin.h: Add missing endif.

2011-11-06  Sebastian Huber  <>

	* config.gcc (arm*-*-rtemseabi*): New target.
	* config/arm/rtems-eabi.h: New.
	* config/arm/t-rtems-eabi: New.

2011-11-06  David S. Miller  <>

	* config/sparc/ (UNSPEC_SHORT_LOAD): Delete.
	(zero_extend_v8qi_vis, zero_extend_v4hi_vis,
	*zero_extend_v4hi_<P:mode>_insn): Express using vec_merge
	and vec_duplicate instead of using an UNSPEC.

2011-11-07  Alan Modra  <>

	PR target/30282
	* config/rs6000/rs6000.c (rs6000_emit_stack_reset): Always emit
	blockage for ABI_V4.

2011-11-06  Dave Korn  <>

	* config/i386/cygwin.h (LIBGCJ_SONAME): Updated to match recent
	libgcj version bump.
	* config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.

2011-11-06  Eric Botcazou  <>

	* gcse.c: Adjust outdated comments throughout.
	(struct mem_conflict_info): New structure.
	(mems_conflict_for_gcse_p): Use it to communicate with caller.
	(load_killed_in_block_p): Pass it to note_stores.
	(hash_expr): Remove superfluous line break.
	(hash_scan_set): Rename PAT parameter into SET.
	(hash_scan_insn): Reorder cases.
	(canon_list_insert): Fix long line.
	(edge_list): Delete.
	(prune_expressions): Rename E local variable into EXPR.
	(compute_pre_data): Return struct edge_list * object.
	(pre_expr_reaches_here_p_work): Fix formatting.
	(process_insert_insn): Move around comment.
	(pre_edge_insert): Fix long line.
	(pre_insert_copies): Likewise.
	(gcse_emit_move_after): Swap SRC and DEST parameters.
	(pre_delete): Adjust call to gcse_emit_move_after.
	(pre_gcse): Take struct edge_list * parameter.  Fix long line.
	(one_pre_gcse_pass): Use flag_gcse_lm condition for all routines.
	Use a local list of edges.
	(hoist_code): Fix long line.  Adjust call to gcse_emit_move_after.
	(pre_ldst_expr_hash): Fix long line.
	(free_ldst_mems): Rename into...
	(free_ld_motion_mems): ...this.
	(first_ls_expr): Delete.
	(next_ls_expr): Likewise.
	(print_ldst_list): Do not use above two functions.
	(simple_mem): Adjust interface.
	(compute_ld_motion_mems): Fix formatting.
	(update_ld_motion_stores): Reuse local variable.

2011-11-06  Joseph Myers  <>

	* c-decl.c (shadow_tag_warned, grokdeclarator): Handle _Alignas
	(build_null_declspecs): Initialize align_log and alignas_p fields.
	(declspecs_add_alignas): New.
	* c-parser.c (c_token_starts_declspecs): Handle RID_ALIGNAS.
	(c_parser_declspecs): Handle _Alignas specifiers.
	(c_parser_alignas_specifier): New.
	(c_parser_alignof_expression): Diagnose alignof use for non-C1X.
	Diagnose _Alignof (expression).
	* c-tree.h (struct c_declspecs): Add align_log and alignas_p fields.
	(declspecs_add_alignas): Declare.
	* ginclude/stddef.h (max_align_t): Define for C1X and C++11.
	* ginclude/stdalign.h: New.
	* (USER_H): Add stdalign.h.

2011-11-06  Joern Rennecke  <>

	* regset.h (fixed_reg_set_regset): Declare.
	* dse.c: Include regset.h .
	(struct insn_info): Add member fixed_regs_live.
	(note_add_store_info): New typedef.
	(note_add_store): New function.
	(emit_inc_dec_insn_before): Expect arg to be of type insn_info_t.
	Use gen_add3_insn / gen_move_insn.
	Check new insn for unwanted clobbers before emitting it.
	(check_for_inc_dec): Rename to...
	(check_for_inc_dec_1:) ... this.  Return bool.  Take insn_info
	parameter.  Changed all callers in file.
	(check_for_inc_dec, copy_fixed_regs): New functions.
	(scan_insn): Set fixed_regs_live field of insn_info.
	* rtl.h (check_for_inc_dec): Update prototype.
	* postreload.c (reload_cse_simplify): Take new signature of
	check_ind_dec into account.
	* reginfo.c (fixed_reg_set_regset): New variable.
	(init_reg_sets_1): Initialize it.

2011-11-06  Jakub Jelinek  <>

	* tree-cfg.c (gimple_can_merge_blocks_p): For -O0 don't remove
	any user labels.

2011-11-06  John David Anglin  <>

	* config/pa/pa.c (pa_hpux_init_libfuncs): Rename to pa_init_libfuncs.
	Remove dependence of declaration and target define on definition of
	HPUX_LONG_DOUBLE_LIBRARY.  Update implementation.

2011-11-06  Andrew Macleod  <>
	    Richard Henderson  <>
	    Aldy Hernandez  <>

	Merged from cxx-mem-model.

	* cppbuiltin.c (define__GNUC__): Define __ATOMIC memory models
	* coretypes.h (enum memmodel): New.  enumerated memory model type.
	* (cppbuiltin.o) Add missing dependency on $(TREE_H)
	* genopinit,c (optabs): Add atomic direct optab handlers.
	* sync-builtins.def (BUILT_IN_ATOMIC_*): New builtins.
	* builtin-types.def (BT_CONST_VOLATILE_PTR,
	BT_FN_BOOL_VPTR_PTR_I{1,2,4,8,16}_BOOL_INT_INT): New builtin types.
	* expr.h (expand_atomic_*): Add prototypes.
	(expand_{bool,val}_compare_and_swap): Remove prototypes.
	* c-typeck.c (build_function_call_vec): Don't reprocess __atomic
	* common.opt (Winvalid-memory-model): New warning flag.
	(finline-atomics): New. Flag to disable atomic inlining.
	* params.h (ALLOW_LOAD_DATA_RACES): New.
	* params.def (PARAM_ALLOW_LOAD_DATA_RACES): New.
	* builtins.c (is_builtin_name): Handle __atomic.
	(get_memmodel): New.  Extract memory model.
	(expand_expr_force_mode): New. Factor out common code for ensuring an
	integer argument is in the proper mode.
	(expand_builtin_sync_operation): Remove ignore param.  Always call
	expand_atomic_fetch_op instead of the old expanders.
	expand_builtin_sync_lock_test_and_set): Use expand_expr_force_mode,
	call atomic expanders instead of sync expanders.
	(expand_builtin_sync_lock_release): Call atomic_store expander.
	(expand_builtin_atomic_compare_exchange, expand_builtin_atomic_load,
	expand_builtin_atomic_store, expand_builtin_atomic_fetch_op): New.
	(expand_builtin_atomic_exchange): New.
	fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
	(expand_builtin_mem_thread_fence, expand_builtin_atomic_thread_fence,
	expand_builtin_atomic_signal_fence): New.
	(expand_builtin_mem_signal_fence): New.
	(expand_builtin): Add cases for BUILT_IN_ATOMIC_*.
	(fold_builtin_2): Add cases for BUILT_IN_ATOMIC_{IS,ALWAYS}_LOCK_FREE.
	* optabs.h (DOI_atomic_*): Define new atomics.
	(atomic_*_optab): Define.
	(can_compare_and_swap_p, expand_atomic_compare_and_swap): New
	* optabs.c (expand_sync_operation, expand_sync_fetch_operation): Remove.
	(expand_sync_lock_test_and_set): Remove.
	(expand_atomic_load, expand_atomic_store): New.
	(expand_atomic_exchange): New.
	(expand_atomic_compare_and_swap): New.  Implements
	atomic_compare_exchange via compare and swap.
	(struct atomic_op_functions): Opcode table struct for fetch ops.
	(get_atomic_op_for_code): New.  Return an opcode table entry.
	(maybe_emit_op): New.  Try to emit a fetch op.
	(expand_atomic_fetch_op): New.
	(expand_val_compare_and_swap_1): Remove.
	(expand_val_compare_and_swap, expand_bool_compare_and_swap): Remove.
	(expand_atomic_compare_and_swap): Rename from
	expand_atomic_compare_exchange.  Rewrite to return both success and
	oldval return values; expand via both atomic and sync optabs.
	(can_compare_and_swap_p): New.
	(expand_compare_and_swap_loop): Use expand_atomic_compare_and_swap.
	(maybe_gen_insn): Handle 7 and 8 operands.
	* omp-low.c (expand_omp_atomic_fetch_op): Don't test individual
	fetch_op optabs, only test can_compare_and_swap_p.  Use __atomic
	builtins instead of __sync builtins.
	(expand_omp_atomic_pipeline): Use can_compare_and_swap_p.
	* doc/extend.texi: Document __atomic built-in functions.
	* doc/invoke.texi: Document data race parameters.
	* doc/md.texi: Document atomic patterns.
	* config/i386/ (UNSPEC_MOVA): New.
	(UNSPECV_CMPXCHG): Split into ...
	* config/i386/ (ATOMIC): New mode iterator.
	(atomic_load<ATOMIC>, atomic_store<ATOMIC>): New.
	(atomic_loaddi_fpu, atomic_storedi_fpu, movdi_via_fpu): New.
	(mem_thread_fence): Rename from memory_barrier.
	Handle the added memory model parameter.
	(mfence_nosse): Rename from memory_barrier_nosse.
	(sync_compare_and_swap<CASMODE>): Split into ...
	(atomic_compare_and_swap<SWI124>): this and ...
	(atomic_compare_and_swap<CASMODE>): this.  Handle the new parameters.
	(atomic_compare_and_swap_single<SWI>): Rename from
	sync_compare_and_swap<SWI>; rewrite to use split unspecs.
	(atomic_compare_and_swap_double<DCASMODE>): Rename from
	sync_double_compare_and_swap<DCASMODE>; rewrite to use split unspecs.
	(*atomic_compare_and_swap_doubledi_pic): Rename from
	sync_double_compare_and_swapdi_pic; rewrite to use split unspecs.
	(atomic_fetch_add<SWI>): Rename from sync_old_add<SWI>; add memory
	model parameter.
	(*atomic_fetch_add_cmp<SWI>): Similarly.
	(atomic_add<SWI>, atomic<any_logic><SWI>): Similarly.
	(atomic_sub<SWI>): Similarly.  Use x86_maybe_negate_const_int.
	(sync_lock_test_and_set<SWI>): Merge with ...
	(atomic_exchange<SWI>): ... this.

2011-11-6  Richard Guenther  <>

	* ipa-prop.c (ipa_modify_call_arguments): Re-compute inlinable flag.

2011-11-06  Ira Rosen  <>

	* tree-vectorizer.h (vectorizable_condition): Add argument.
	* tree-vect-loop.c (vectorizable_reduction): Fail for condition
	in SLP.  Update calls to vectorizable_condition.
	* tree-vect-stmts.c (vect_is_simple_cond): Add basic block info to
	the arguments.  Pass it to vect_is_simple_use_1.
	(vectorizable_condition): Add slp_node to the arguments.  Support
	vectorization of basic blocks.  Fail for reduction in SLP.  Update
	calls to vect_is_simple_cond and vect_is_simple_use.  Support SLP:
	call vect_get_slp_defs to get vector operands.
	(vect_analyze_stmt): Update calls to vectorizable_condition.
	(vect_transform_stmt): Likewise.
	* tree-vect-slp.c (vect_create_new_slp_node): Handle COND_EXPR.
	(vect_get_and_check_slp_defs): Handle COND_EXPR.  Allow pattern
	def stmts.
	(vect_build_slp_tree): Handle COND_EXPR.
	(vect_analyze_slp_instance): Push pattern statements to root node.
	(vect_get_constant_vectors): Fix comments.  Handle COND_EXPR.

2011-11-05  David S. Miller  <>

	* config/sparc/ (UNSPEC_SHORT_LOAD): New unspec.
	(zero-extend_v8qi_vis, zero_extend_v4hi_vis): New expanders.
	*zero_extend_v4hi_<P:mode>_insn): New insns.
	* config/sparc/sparc.c (vector_init_move_words,
	vector_init_prepare_elts, sparc_expand_vector_init_vis2,
	sparc_expand_vector_init_vis1): New functions.
	(vector_init_bshuffle): Rewrite to handle more cases and make use
	of locs[] array prepared by vector_init_prepare_elts.
	(vector_init_fpmerge, vector_init_faligndata): Delete.
	(sparc_expand_vector_init): Rewrite using new infrastructure.

2011-11-05  Joern Rennecke  <>

	* config.gcc (epiphany-*-*): New architecture.
	(epiphany-*-elf): New configuration.
	* config/epiphany, common/config/epiphany : New directories.
	* doc/extend.texi (disinterrupt attribute): Add Epiphany.
	(interrupt attribute): Add Epiphany.
	(long_call, short_call attribute): Add Epiphany.
	* doc/invoke.texi (Options): Add Epiphany options.
	* doc/md.texi (Machine Constraints): Add Epiphany constraints.
	* doc/install.texi (Options specification):
	Add --with-stack-offset=@var{num} description.
	(host/target specific issues): Add epiphany-*-elf.
	* doc/contrib.texi (Contributors): Mention Epiphany port.

2011-11-05  Jakub Jelinek  <>

	PR tree-optimization/50693
	* tree-cfg.c (gimple_can_merge_blocks_p): Allow merging with
	non-forced user labels.
	(gimple_merge_blocks): Turn non-forced user labels into
	debug bind stmt with the label as first operand and reset value.
	(gimple_duplicate_bb): Don't duplicate label debug stmts.
	* dwarf2out.c (gen_label_die): Handle NOTE_INSN_DELETED_DEBUG_LABEL.
	* final.c (final_scan_insn): Likewise.
	(rest_of_clean_state): Don't dump NOTE_INSN_DELETED_DEBUG_LABEL.
	* var-tracking.c (debug_label_num): New variable.
	(delete_debug_insns): Don't delete DEBUG_INSNs for LABEL_DECLs,
	instead turn them into NOTE_INSN_DELETED_DEBUG_LABEL notes.
	* cfglayout.c (skip_insns_after_block, duplicate_insn_chain): Handle
	(duplicate_insn_chain): Don't duplicate LABEL_DECL DEBUG_INSNs.
	* insn-notes.def (DELETED_DEBUG_LABEL): New note kind.
	* print-rtl.c (print_rtx): Handle NOTE_INSN_DELETED_DEBUG_LABEL.
	* gengtype.c (adjust_field_rtx_def): Likewise.
	* config/i386/i386.c (ix86_output_function_epilogue): For MachO
	if their are at the end of function and nop hasn't been emitted.
	* config/rs6000/rs6000.c (rs6000_output_function_epilogue): Likewise.

2011-11-05  Georg-Johann Lay  <>

	PR rtl-optimization/50448
	* cprop.c (try_replace_reg): Also try to replace uses of FROM that
	appear in SET_DEST.

2011-11-05  Peter Dufault  <>,
	    Sebastian Huber  <>

	* config/rs6000/rtems.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
	Extend rs6000_spe handling.

2011-11-05  Ralf Corsépius  <>

	* config/rs6000/t-rtems: Add -mcpu=8540/-mfloat-gprs=double multilib.
	Remove -mcpu=601 multilib.
	Remove -Dmpc8260 multilib.
	* config/rs6000/rtems.h: Allow --float-gprs=... to override grps
	on E500 targets.

2011-11-05  Quentin Neill  <>

	Piledriver f16cintrin.h fix.
	* config/i386/f16cintrin.h: Contents moved from immintrin.h.
	* config/i386/immintrin.h: Include f16cintrin.h.
	* config.gcc (i[34567]86-*-*, x86_64-*-*): Add f16cintrin.h.

2011-11-04  Eric Botcazou  <>

	PR c++/50608
	* c-parser.c (c_parser_postfix_expression) <RID_OFFSETOF>: Adjust call
	to fold_offsetof.
	* c-typeck.c (build_unary_op) <ADDR_EXPR>: Call fold_offsetof_1.

2011-11-04  Alan Modra  <>

	* reload1.c (gen_reload): Don't use REGNO on SUBREGs.
	* print-rtl.c (print_rtx): Don't segfault on negative regno.

2011-11-04  David S. Miller  <>

	PR target/49965
	* config/sparc/sparc.c (sparc_expand_conditional_move): Handle the
	fact that sparc_emit_float_lib_cmp modifies the comparison in

2011-11-04  Ralf Corsépius  <>

	* config/lm32/t-rtems: New.
	* config.gcc (lm32-*-rtems*): Add t-rtems.

2011-11-04  Eric Botcazou  <>

	PR target/50979
	* config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=v8.

2011-11-04  Jiangning Liu  <>

	PR rtl-optimization/38644
	* config/arm/arm.c (thumb1_expand_epilogue): Add memory barrier
	for epilogue having stack adjustment.

2011-11-04  Georg-Johann Lay  <>

	PR target/50931
	* config/avr/avr-modes.def: New file defining PSImode.
	* config/avr/avr-c.c (__INT24_MAX__, __INT24_MIN__,
	__UINT24_MAX__): New built-in defines.
	* config/avr/ (adjust_len): Add tstpsi, mov24,  reload_in24,
	ashlpsi, ashrpsi, lshrpsi.
	(QISI, QIDI, HISI, HIDI, MPUSH, rotx, rotsmode): Add PSI.
	(MOVMODE): New mode iterator.
	(movpsi): New expander.
	(movqi, movhi, movsi, movsf, movpsi): Write as one using MOVMODE.
	(*reload_inpsi, *movpsi): New insns.
	(*reload_inpsi): New RTL peephole.
	(addpsi3, *addpsi3_zero_extend.qi, *addpsi3_zero_extend.hi,
	*addpsi3_sign_extend.hi): New insns.
	(subpsi3, *subpsi3_zero_extend.qi, *subpsi3_zero_extend.hi,
	*subpsi3_sign_extend.hi): New insns.
	(divmodpsi4, udivmodpsi4): New define insn-and-split.
	(*divmodpsi4_call, *udivmodpsi4_call): New insns.
	(andpsi3, iorpsi3, xorpsi3): New insns.
	(*rotlpsi2.1, *rotlpsi2.23): New insns.
	(*rotw<mode>): Insn condition only allow even-sized modes.
	(*rotb<mode>): Insn condition allows odd-sized modes.
	(ashlpsi3, ashrpsi3, lshrpsi3, *addpsi3.lt0): New insns.
	(negpsi2, one_cmplpsi2): New insns.
	(extendqipsi2, extendhipsi2, extendpsisi2): New insns.
	(zero_extendqipsi2, zero_extendhipsi2, zero_extendpsisi2): New
	(*cmppsi, *negated_tstpsi, *reversed_tstpsi): New insns.
	(cbranchpsi4): New expander.
	* config/avr/ (Ca3, Co3, Cx3): New constraints.
	* config/avr/avr-protos.h (avr_out_tstpsi, avr_out_movpsi,
	avr_out_ashlpsi3, avr_out_ashrpsi3, avr_out_lshrpsi3,
	avr_out_reload_inpsi): New prototypes.

	* config/avr/avr.c (TARGET_SCALAR_MODE_SUPPORTED_P): Define to...
	(avr_scalar_mode_supported_p): ...this new static function.
	(avr_asm_len): Always return "".
	(avr_out_load_psi, avr_out_store_psi): New static functions.
	(avr_out_movpsi, avr_out_reload_inpsi): New functions.
	(avr_out_tstpsi): New function.
	(avr_out_ashlpsi3, avr_out_ashrpsi3, avr_out_lshrpsi3): New functions.
	(avr_out_plus_1, output_reload_in_const): Handle 3-byte types.
	(avr_simplify_comparison_p): Ditto.
	(adjust_insn_length): Handle ADJUST_LEN_RELOAD_IN24,
	(avr_rtx_costs_1): Report PSI costs.
	(avr_libcall_value): Handle odd-sized parameters.
	(avr_init_builtin_int24): New static function to define built-in
	24-bit types __int24 and __uint24.
	(avr_init_builtins): Use it.

2011-11-04  Thomas Doerfler <>

	PR target/50989
	* config/arm/rtems-elf.h, config/arm/t-rtems: Add optional
	support for VFP floating point model.

2011-11-04  Tristan Gingold  <>

	* config/alpha/vms.h (ASM_OUTPUT_DEF): Do not switch section.

2011-11-04  Ira Rosen  <>

	2011-10-24  Ira Rosen  <>

	PR tree-optimization/50730
	* tree-vect-data-refs.c (vect_analyze_data_refs): Stop basic block
	analysis if encountered unsupported data-ref.

2011-11-04  Jakub Jelinek  <>

	* config/i386/i386.c (ix86_expand_vector_convert_uns_vsivsf): New
	* config/i386/i386-protos.h (ix86_expand_vector_convert_uns_vsivsf):
	New prototype.
	* config/i386/ (floatuns<sseintvecmodelower><mode>2): Use it.
	For floatunsv8siv8sf2 require TARGET_AVX2.

	* config/i386/i386.c (ix86_expand_adjust_ufix_to_sfix_si): Add
	XORP argument.  Subtract 0x1p31 instead of 0x1p32.  Use normal
	signalling comparison instead of non-signalling.  Store into
	*XORP pseudo holding 0x80000000 integers if 0x1p31 has been
	subtracted and 0 otherwise.
	* config/i386/i386-protos.h (ix86_expand_adjust_ufix_to_sfix_si):
	Adjust prototype.
	* config/i386/ (fixuns_trunc<mode><sseintvecmodelower>2): Enable
	already for TARGET_SSE2.  Xor in vector initialized by
	ix86_expand_adjust_ufix_to_sfix_si at the end.
	(vec_pack_ufix_trunc_<mode>): Likewise.

	* tree-vect-stmts.c (vectorizable_conversion): Rewritten to handle
	vectorizable_type_demotion and vectorizable_type_promotion did.
	Additionally handle FLOAT_EXPR and FIX_TRUNC_EXPR where the integer
	is {,un}signed {char,short}.
	(vect_create_vectorized_demotion_stmts): Fix comment typo.  For
	recursive calls unconditionally use VEC_PACK_TRUNC_EXPR.
	Push vec_dest back to the vec_dsts vector at the end.
	(vect_create_vectorized_promotion_stmts): Don't recurse, do just
	one step.  Removed multi_step_cvt, vec_dsts, slp_node and
	prev_stmt_info arguments, add vec_dest argument.  Push always
	into vec_tmp, not just when multi_step_cvt != 0, replace *vec_oprdn0
	with vec_tmp at the end after freeing old *vec_oprnd0 vector.
	(vectorizable_type_demotion, vectorizable_type_promotion): Removed.
	(vect_analyze_stmt): Don't call vectorizable_type_demotion and
	vectorizable_type_promotion.  Call vectorizable_conversion even
	for SLP bb vectorization.
	(vect_transform_stmt): Call vectorizable_conversion instead of
	vectorizable_type_demotion and vectorizable_type_promotion.
	(supportable_widening_operation): Clear *multi_step_cvt first,
	simplify c1/c2 computation, free *interm_types vector on failure.
	(supportable_narrowing_operation): Clear *multi_step_cvt first,
	free *interm_types vector on failure, handle multi-step

2011-11-04  Tristan Gingold  <>

	* config/alpha/alpha.c (alpha_write_linkage): Remove fundecl
	argument.  Conditionally generate crash debug info.  Adjust
	for alpha_funcs_tree removal.
	(machine_function): Add links field.
	(alpha_start_function): Conditionally generate crash debug info.
	(alpha_end_function): Adjust call to alpha_write_linkage.
	(alpha_funcs): Remove.
	(links_kind): Remove.
	(alpha_links): Remove num, target and lkind field.  Add func field.
	(alpha_links_tree): Remove.
	(alpha_funcs_tree): Remove.
	(alpha_need_linkage): Remove.
	(alpha_use_linkage): Change prototype.  Adjust.
	(alpha_write_one_linkage): Use ASM_OUTPUT_INTERNAL_LABEL.
	* config/alpha/alpha-protos.h (alpha_use_linkage): Update.
	(alpha_need_linkage): Remove.
	* config/alpha/ Update calls to alpha_use_linkage.
	Adjust calls to alpha_need_linkage.

2011-11-03  Uros Bizjak  <>

	* sched-vis.c (print_value): Handle STRICT_LOW_PART.

2011-11-03  Uros Bizjak  <>

	* config/i386/ (lround<X87MODEF:mode><SWI248x:mode>2,
	rint<mode>2, floor<mode>2, lfloor<MODEF:mode><SWI48:mode>2,
	btrunc<mode>2, lwp_lwpval<mode>3): Use operands[N] instead of operandN.

2011-11-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR target/50978
	* config/arm/t-bpabi: New file.
	* config.gcc (arm*-*-linux*): Add arm/t-bpabi to tmake_file for
	(arm*-*-uclinux*): Add arm/t-bpabi to tmake_file for
	(arm*-*-eabi*, arm*-*-symbianelf*): Add arm/t-bpabi to tmake_file
	for arm*-*-eabi*.

2011-11-03  Michael Matz  <>

	PR bootstrap/50857
	* Check for -fno-exceptions -fno-rtti.
	* configure: Regenerate.
	(ALL_CXXFLAGS): Use it.

2011-11-03  Uros Bizjak  <>

	* config/i386/ Use {} for multi-line preparation statements.

2011-11-03  Eric Botcazou  <>

	* config/sparc/ (movtf_insn_sp32_no_fpu): Consolidate into...
	(movtf_insn_sp32): ...this.
	(movtf_insn_sp64_no_fpu): Consolidate into...
	(movtf_insn_sp64): ...this.
	(movtf_insn_sp64_hq): Do not test TARGET_FPU.
	* config/sparc/sparc.c (sparc_legitimate_address_p): Likewise.

2011-11-03  Tristan Gingold  <>

	* config/vms/vms.c (vms_patch_builtins): Fix typo.

2011-11-03  Richard Guenther  <>

	PR lto/44965
	* lto-opts.c: Re-implement.
	* lto-streamer.h (lto_register_user_option): Remove.
	(lto_read_file_options): Likewise.
	(lto_reissue_options): Likewise.
	(lto_clear_user_options): Likewise.
	(lto_clear_file_options): Likewise.
	* opts-global.c (post_handling_callback): Remove.
	(set_default_handlers): Do not set post_handling_callback.
	(decode_options): Remove LTO specific code.
	* lto-wrapper.c (merge_and_complain): New function.
	(run_gcc): Read all input file options and
	prepend a merged set before the linker driver options.
	* gcc.c (driver_post_handling_callback): Remove.
	(set_option_handlers): Do not set post_handling_callback.
	* opts-common.c (handle_option): Do not call post_handling_callback.
	* opts.h (struct cl_option_handlers): Remove post_handling_callback.

2011-11-03  Richard Guenther  <>

	* collect2.c (main): Guard object_nbr variable with TARGET_AIX_VERSION.

2011-11-03  Martin Jambor  <>

	* ipa-prop.c (type_change_info): New fields offset, object,
	known_current_type and multiple_types_encountered.
	(extr_type_from_vtbl_ptr_store): New function.
	(check_stmt_for_type_change): Use it, set multiple_types_encountered if
	the result is different from the previous one.
	(detect_type_change): Renamed to detect_type_change_1. New parameter
	comp_type.  Set up new fields in tci, build known type jump
	functions if the new type can be identified.
	(detect_type_change): New function.
	* tree.h (DECL_CONTEXT): Comment new use.

2011-11-03  Richard Guenther  <>

	PR lto/48217
	* lto-wrapper.c (get_options_from_collect_gcc_options): Properly
	decode an encoded literal '.

2011-11-03  Tristan Gingold  <>

	* collect2.c (main): Add support of -f (response file) on AIX.

2011-11-03  Ira Rosen  <>

	PR tree-optimization/50912
	* tree-vectorizer.h (slp_void_p): New.
	(struct _slp_tree): Replace left and right with children.  Update
	(struct _slp_oprnd_info): New.
	(vect_get_vec_defs): Declare.
	(vect_get_slp_defs): Update arguments.
	* tree-vect-loop.c (vect_create_epilog_for_reduction): Call
	vect_get_vec_defs instead of vect_get_slp_defs.
	(vectorizable_reduction): Likewise.
	* tree-vect-stmts.c (vect_get_vec_defs): Remove static, add argument.
	Update call to vect_get_slp_defs.
	(vectorizable_conversion): Update call to vect_get_vec_defs.
	(vectorizable_assignment, vectorizable_shift,
	vectorizable_operation): Likewise.
	(vectorizable_type_demotion): Call vect_get_vec_defs instead of
	(vectorizable_type_promotion, vectorizable_store): Likewise.
	(vect_analyze_stmt): Fix typo.
	* tree-vect-slp.c (vect_free_slp_tree): Update SLP tree traversal.
	(vect_print_slp_tree, vect_mark_slp_stmts,
	vect_mark_slp_stmts_relevant, vect_slp_rearrange_stmts,
	vect_detect_hybrid_slp_stmts, vect_slp_analyze_node_operations,
	vect_schedule_slp_instance): Likewise.
	(vect_create_new_slp_node): New.
	(vect_create_oprnd_info, vect_free_oprnd_info): Likewise.
	(vect_get_and_check_slp_defs): Pass information about defs using
	oprnds_info, allow any number of operands.
	(vect_build_slp_tree): Likewise.  Update calls to
	vect_get_and_check_slp_defs.  Fix comments.
	(vect_analyze_slp_instance): Move node creation to
	(vect_get_slp_defs): Allow any number of operands.

2011-11-02  Peter Bergner  <>
	    Iain Sandoe  <>

	* config/rs6000/rs6000.c (USE_HIDDEN_LINKONCE): New define.
	(get_ppc476_thunk_name): Use it.
	(rs6000_code_end): Likewise.
	(macho_branch_islands): Fix typo.

2011-11-02  Paolo Carlini  <>
	    Jason Merrill  <>

	PR c++/50810
	* Add -Wno-narrowing to warning options.
	* doc/invoke.texi ([-Wnarrowing], [-Wc++0x-compat]): Update.

2011-11-02  Eric Botcazou  <>

	PR target/50945
	* config/sparc/ (movsf_insn): Reindent constraints.
	(movdf_insn_sp32): Likewise.  Remove redundant G constraint.
	(movdf_insn_sp64): Likewise.
	(DFmode splitter): Do not test TARGET_FPU.
	(movtf_insn_sp32): Reindent constraints.
	(movtf_insn_sp32_no_fpu): Likewise.
	(movtf_insn_sp64): Likewise.
	(movtf_insn_sp64_hq): Likewise.
	(movtf_insn_sp64_no_fpu): Likewise.

2011-11-02  Paolo Carlini  <>

	PR c++/50956
	* builtins.c (fold_builtin_memchr): Fix cast.

2011-11-02  Teresa Johnson  <>

	* config/i386/ (promotable_binary_operator): Add minus
	to the list of promotable operators.

2011-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* gthr-single.h, gthr.h: Move to ../libgcc.
	* gthr-aix.h: Move to ../libgcc/config/rs6000.
	* gthr-dce.h: Move to ../libgcc/config/pa.
	* gthr-lynx.h: Move to ../libgcc/config.
	* gthr-mipssde.h: Move to ../libgcc/config/mips.
	* gthr-posix.h: Move to ../libgcc/config.
	* gthr-rtems.h: Likewise.
	* gthr-tpf.h: Move to ../libgcc/config/s390.
	* gthr-vxworks.h: Move to ../libgcc/config.
	* gthr-win32.h: Move to ../libgcc/config/i386.
	* (gthread_flags): Remove
	(gthr-default.h): Don't create.
	(thread_file): Don't substitute.
	* configure: Regenerate.
	* (GCC_THREAD_FILE): Remove.
	(libgcc.mvars): Remove GTHREAD_FLAGS.
	* config/t-vxworks (EXTRA_HEADERS): Remove.

2011-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
	    Paolo Bonzini  <>

	* (libgcc_tm_file_list, libgcc_tm_include_list): Remove.
	* configure: Regenerate.
	* (libgcc_tm_file_list, libgcc_tm_include_list): Remove.
	(TM_H): Remove libgcc_tm.h, $(libgcc_tm_file_list).
	(libgcc_tm.h, cs-libgcc_tm.h): Remove.
	(clean): Remove libgcc_tm.h
	* Don't include libgcc_tm.h in tm.h.
	* config.gcc (libgcc_tm_file): Remove.
	(arm*-*-linux*): Remove libgcc_tm_file for arm*-*-linux-*eabi.
	(arm*-*-uclinux*): Remove libgcc_tm_file for arm*-*-uclinux*eabi.
	(arm*-*-eabi*, arm*-*-symbianelf*): Remove libgcc_tm_file.
	(avr-*-rtems*): Likewise.
	(avr-*-*): Likewise.
	(frv-*-elf): Likewise.
	(frv-*-*linux*): Likewise.
	(h8300-*-rtems*): Likewise.
	(h8300-*-elf*): Likewise.
	(i[34567]86-*-darwin*): Likewise.
	(x86_64-*-darwin*): Likewise.
	(rx-*-elf*): Likewise.
	(tic6x-*-elf): Likewise.
	(tic6x-*-uclinux): Likewise.
	(i[34567]86-*-linux*, x86_64-*-linux*): Likewise.

2011-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	(LIBGCC2_CFLAGS): Don't export.
	(libgcc-support): Remove $(LIB2ADD), $(LIB2ADD_ST) dependencies.
	(libgcc.mvars): Likewise.
	* libgcc2.c, libgcc2.h, gbl-ctors.h, longlong.h: Move to ../libgcc.
	* config/darwin-64.c: Move to ../libgcc/config.
	* config/divmod.c, config/floatunsidf.c, config/floatunsisf.c,
	config/floatunsitf.c, config/floatunsixf.c, config/udivmod.c,
	config/udivmodsi4.c: Move to ../libgcc/config.
	* config/gthr-posix.c: Move to ../libgcc/config/alpha.
	* config/memcmp.c, config/memcpy.c, config/memmove.c,
	config/memset.c: Move to ../libgcc/config.
	* config/t-darwin (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/t-freebsd: Remove.
	* config/t-freebsd-thread: Move to ../libgcc/config.
	* config/t-libgcc-pic: Move to ../libgcc/config.
	* config/t-libunwind (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/t-linux: Remove.
	* config/t-openbsd-thread: Move to ../libgcc/config.
	* config/t-rtems (LIBGCC2_INCLUDES): Remove.
	* config/t-sol2 (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/t-svr4: Remove.
	* config/vxlib.c, config/vxlib-tls.c: Move to ../libgcc/config.
	* config/alpha/qrnnd.asm: Move to ../libgcc/config/alpha/qrnnd.S.
	* config/alpha/t-alpha, config/alpha/t-ieee: Remove.
	* config/alpha/t-vms (LIB2FUNCS_EXTRA, LIBGCC, INSTALL_LIBGCC): Remove.
	* config/alpha/vms-gcc_shell_handler.c: Move to ../libgcc/config/alpha.
	* config/arm/bpabi.c, config/arm/unaligned-funcs.c,
	config/arm/fp16.c, config/arm/linux-atomic.c,
	config/arm/linux-atomic-64bit.c: Move to ../libgcc/config/arm.
	* config/arm/t-arm-elf (LIBGCC, INSTALL_LIBGCC)
	* config/arm/t-bpabi, config/arm/t-linux: Remove.
	* config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS)
	* config/arm/t-netbsd: Remove.
	* config/arm/t-strongarm-elf (LIBGCC, INSTALL_LIBGCC)
	* config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA): Remove.
	* config/arm/t-wince-pe (LIBGCC, INSTALL_LIBGCC)
	* config/bfin/t-bfin-elf (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/bfin/t-bfin-linux: Likewise.
	* config/bfin/t-bfin-uclinux: Likewise.
	* config/c6x/eqd.c, config/c6x/eqf.c, config/c6x/ged.c,
	config/c6x/gef.c, config/c6x/gtd.c, config/c6x/gtf.c,
	config/c6x/led.c, config/c6x/lef.c, config/c6x/ltd.c,
	config/c6x/ltf.c: Move to ../libgcc/config/c6x.
	* config/c6x/t-c6x-elf (LIB2FUNCS_EXCLUDE, LIB2FUNCS_EXTRA): Remove.
	* config/c6x/t-c6x-uclinux (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/cris/arit.c: Move to ../libgcc/config/cris.
	* config/cris/cris_abi_symbol.c: Remove.
	* config/cris/cris.h: Remove obsolete comment.
	* config/cris/mulsi3.asm: Move to ../libgcc/config/cris/mulsi3.S.
	* config/cris/t-cris (LIB2FUNCS_EXTRA, CRIS_LIB1CSRC)
	($(LIB2FUNCS_EXTRA)): Remove.
	* config/cris/t-elfmulti (LIB2FUNCS_STATIC_EXTRA, INSTALL_LIBGCC)
	(LIBGCC): Remove.
	* config/cris/t-linux (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/fr30/t-fr30: Remove.
	* config/frv/cmovd.c, config/frv/cmovh.c, config/frv/cmovw.c,
	config/frv/modi.c, config/frv/uitod.c, config/frv/uitof.c,
	config/frv/ulltod.c, config/frv/ulltof.c, config/frv/umodi.c: Move
	to ../libgcc/config/frv.
	(cmovh.c, cmovw.c, cmovd.c, modi.c, umodi.c, uitof.c, uitod.c)
	(ulltof.c, LIBGCC, INSTALL_LIBGCC): Remove.
	* config/frv/t-linux (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/h8300/clzhi2.c, config/h8300/ctzhi2.c,
	config/h8300/fixunssfsi.c, config/h8300/parityhi2.c,
	config/h8300/popcounthi2.c: Move to ../libgcc/config/h8300.
	* config/h8300/t-h8300 (LIB2FUNCS_EXTRA, TARGET_LIBGCC2_CFLAGS)
	* config/i386/gthr-win32.c: Move to ../libgcc/config/i386.
	* config/i386/t-cygming (LIBGCC2_INCLUDES): Remove.
	* config/i386/t-cygwin: Remove.
	* config/i386/t-darwin (LIB2_SIDITI_CONV_FUNCS, LIB2FUNCS_EXTRA)
	* config/i386/t-darwin64 (LIB2_SIDITI_CONV_FUNCS, LIB2FUNCS_EXTRA)
	* config/i386/t-gthr-win32: Move to ../libgcc/config/i386.
	* config/i386/t-linux64 (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/i386/t-mingw-w32: Likewise.
	* config/i386/t-mingw-w64: Likewise.
	* config/i386/t-openbsd: Likewise.
	* config/i386/t-nto: Remove.
	* config/ia64/quadlib.c: Move to ../libgcc/config/ia64.
	(quadlib.c): Remove.
	* config/ia64/t-ia64: Remove comment.
	* config/iq2000/lib2extra-funcs.c: Move to
	* config/iq2000/t-iq2000: Remove.
	* config/m32c/m32c-lib2.c: Move to ../libgcc/config/m32c/lib2funcs.c.
	* config/m32c/m32c-lib2-trapv.c: Move to ../libgcc/config/m32c/trapv.c.
	* config/m32r/t-linux (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/m32c/t-m32c (LIB2FUNCS_EXTRA): Remove.
	* config/m32r/t-m32r (TARGET_LIBGCC2_CFLAGS, LIBGCC)
	* config/m68k/fpgnulib.c: Move to ../libgcc/config/m68k.
	* config/m68k/t-floatlib: Remove.
	* config/m68k/t-mlibs (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/mcore/t-mcore (TARGET_LIBGCC2_CFLAGS): Remove.
	Fix typo.
	* config/mep/mep-lib2.c: Move to ../libgcc/config/mep/lib2funcs.c.
	* config/mep/mep-tramp.c: Move to ../libgcc/config/mep/tramp.c.
	* config/mep/t-mep (LIB2FUNCS_EXTRA): Remove.
	* config/mips/t-elf (TARGET_LIBGCC2_CFLAGS, LIBGCC)
	* config/mips/t-isa3264: Likewise.
	* config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Remove.
	* config/mips/t-r3900 (TARGET_LIBGCC2_CFLAGS, LIBGCC)
	* config/mips/t-sde (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/mips/t-sr71k (TARGET_LIBGCC2_CFLAGS, LIBGCC)
	* config/mips/t-vr (TARGET_LIBGCC2_CFLAGS)
	* config/mips/vr4120-div.S: Move to ../libgcc/config/mips.
	* config/mmix/t-mmix (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/mn10300/t-mn10300 (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/pa/fptr.c, config/pa/linux-atomic.c: Move to
	* config/pa/lib2funcs.asm: Move to ../libgcc/config/pa/lib2funcs.S.
	* config/pa/quadlib.c: Move to ../libgcc/config/pa.
	* config/pa/t-dce-thr (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/pa/t-linux, config/pa/t-linux64: Remove.
	* config/pa/t-pa-hpux, config/pa/t-pa-hpux10,
	config/pa/t-pa-hpux11, config/pa/t-pa64: Remove.
	* config/pdp11/t-pdp11 (TARGET_LIBGCC2_CFLAGS, LIB2FUNCS_EXTRA):
	* config/picochip/libgccExtras: Move to ../libgcc/config/picochip.
	* config/picochip/t-picochip (LIB2FUNCS_EXTRA, RANLIB_FOR_TARGET)
	* config/rs6000/crtresfpr.asm: Move to
	* config/rs6000/crtresgpr.asm: Move to
	* config/rs6000/crtresxfpr.asm: Move to
	* config/rs6000/crtresxgpr.asm: Move to
	* config/rs6000/crtsavfpr.asm: Move to
	* config/rs6000/crtsavgpr.asm: Move to
	* config/rs6000/darwin-asm.h: Move to ../libgcc/config/rs6000.
	* config/rs6000/darwin-fpsave.asm: Move to
	* config/rs6000/darwin-gpsave.asm: Move to
	* config/rs6000/darwin-tramp.asm: Move to
	* config/rs6000/darwin-vecsave.asm: Move to
	* config/rs6000/darwin-world.asm: Move to
	* config/rs6000/e500crtres32gpr.asm: Move to
	* config/rs6000/e500crtres64gpr.asm: Move to
	* config/rs6000/e500crtres64gprctr.asm: Move to
	* config/rs6000/e500crtrest32gpr.asm: Move to
	* config/rs6000/e500crtrest64gpr.asm: Move to
	* config/rs6000/e500crtresx32gpr.asm: Move to
	* config/rs6000/e500crtresx64gpr.asm: Move to
	* config/rs6000/e500crtsav32gpr.asm: Move to
	* config/rs6000/e500crtsav64gpr.asm: Move to
	* config/rs6000/e500crtsav64gprctr.asm: Move to
	* config/rs6000/e500crtsavg32gpr.asm: Move to
	* config/rs6000/e500crtsavg64gpr.asm: Move to
	* config/rs6000/e500crtsavg64gprctr.asm: Move to
	* config/rs6000/eabi.asm: Move to ../libgcc/config/rs6000/eabi.S.
	* config/rs6000/t-aix43 (LIBGCC, INSTALL_LIBGCC, LIB2FUNCS_EXTRA)
	* config/rs6000/t-aix52: Likewise.
	* config/rs6000/t-darwin: Remove.
	* config/rs6000/t-darwin64 (LIB2_SIDITI_CONV_FUNCS)
	* config/rs6000/t-fprules (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/rs6000/t-lynx (LIB2FUNCS_EXTRA, tramp.S, LIBGCC)
	* config/rs6000/t-netbsd (LIB2FUNCS_EXTRA)
	(LIB2FUNCS_STATIC_EXTRA, tramp.S, crtsavfpr.S, crtresfpr.S)
	(crtsavgpr.S, crtresgpr.S, crtresxfpr.S, crtresxgpr.S, LIBGCC)
	(INSTALL_LIBGCC, $(T)crtsavfpr$(objext), $(T)crtresfpr$(objext))
	($(T)crtsavgpr$(objext), $(T)crtresgpr$(objext))
	($(T)crtresxfpr$(objext), $(T)crtresxgpr$(objext)): Remove.
	* config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA)
	(LIB2FUNCS_STATIC_EXTRA, eabi.S, tramp.S): Remove.
	* config/rs6000/t-spe (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/rs6000/t-vxworks: Remove comment.
	* config/rs6000/tramp.asm: Move to ../libgcc/config/rs6000/tramp.S.
	* config/rx/t-rx (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/sh/linux-atomic.asm: Move to
	* config/sh/t-linux (LIB2FUNCS_EXTRA): Remove.
	* config/sh/t-netbsd: Remove.
	* config/sparc/t-elf (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/sparc/t-leon: Likewise.
	* config/sparc/t-leon3: Likewise.
	* config/sparc/t-linux64: Likewise.
	* config/sparc/t-netbsd64: Fix typo.
	Remove comment.
	* config/spu/divmodti4.c, config/spu/divv2df3.c,
	config/spu/float_disf.c, config/spu/float_unsdidf.c,
	config/spu/float_unsdisf.c, config/spu/float_unssidf.c,
	config/spu/mfc_multi_tag_reserve.c, config/spu/mfc_tag_release.c,
	config/spu/mfc_tag_reserve.c, config/spu/mfc_tag_table.c,
	config/spu/multi3.c: Move to ../libgcc/config/spu.
	* config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS, LIB2FUNCS_EXCLUDE)
	* config/stormy16/stormy16-lib2.c: Move to
	* config/stormy16/stormy16-lib2-ashlsi3.c: Move to
	* config/stormy16/stormy16-lib2-ashrsi3.c: Move to
	* config/stormy16/stormy16-lib2-clzhi2.c: Move to
	* config/stormy16/stormy16-lib2-cmpsi2.c: Move to
	* config/stormy16/stormy16-lib2-ctzhi2.c: Move to
	* config/stormy16/stormy16-lib2-divsi3.c: Move to
	* config/stormy16/stormy16-lib2-ffshi2.c: Move to
	* config/stormy16/stormy16-lib2-lshrsi3.c: Move to
	* config/stormy16/stormy16-lib2-modsi3.c: Move to
	* config/stormy16/stormy16-lib2-parityhi2.c: Move to
	* config/stormy16/stormy16-lib2-popcounthi2.c: Move to
	* config/stormy16/stormy16-lib2-ucmpsi2.c: Move to
	* config/stormy16/stormy16-lib2-udivmodsi4.c: Move to
	* config/stormy16/stormy16-lib2-udivsi3.c: Move to
	* config/stormy16/stormy16-lib2-umodsi3.c: Move to
	* config/stormy16/t-stormy16: Move to ../libgcc/config/t-stormy16.
	* config/v850/t-v850 (INSTALL_LIBGCC): Remove.
	* config/xtensa/lib2funcs.S: Move to ../libgcc/config/xtensa.
	* config/xtensa/t-elf: Remove.
	* config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove.
	* config.gcc (*-*-freebsd*): Remove t-freebsd, t-freebsd-thread
	from tmake_file.
	(*-*-linux*, frv-*-*linux*, *-*-kfreebsd*-gnu, *-*-knetbsd*-gnu,
	*-*-gnu*, *-*-kopensolaris*-gnu): Remove t-linux from tmake_file.
	(*-*-netbsd*): Remove t-libgcc-pic from tmake_file.
	(*-*-openbsd*): Likewise.
	Remove t-openbsd-thread for posix threads.
	(alpha*-*-linux*): Remove alpha/t-alpha, alpha/t-ieee from tmake_file.
	(alpha*-*-freebsd*): Likewise.
	(alpha*-*-netbsd*): Likewise.
	(alpha*-*-openbsd*): Likewise.
	(alpha64-dec-*vms*): Likewise.
	(alpha*-dec-*vms*): Likewise.
	(arm*-*-netbsdelf*): Remove arm/t-netbsd from tmake_file.
	(arm*-*-linux*): Remove t-linux from tmake_file.
	Remove arm/t-bpabi from tmake_file for arm*-*-linux-*eabi.
	(arm*-*-uclinux*): Remove arm/t-bpabi from tmake_file for
	(arm*-*-eabi*, arm*-*-symbianelf* ): Remove arm/t-bpabi from
	tmake_file for arm*-*-eabi*.
	(fr30-*-elf): Remove tmake_file.
	(hppa*64*-*-linux*): Remove tmake_file.
	(hppa*-*-linux*): Likewise.
	(hppa[12]*-*-hpux10*): Remove pa/t-pa-hpux10, pa/t-pa-hpux from
	(hppa*64*-*-hpux11*): Remove pa/t-pa64, pa/t-pa-hpux from tmake_file.
	(hppa[12]*-*-hpux11*): Remove pa/t-pa-hpux11, pa/t-pa-hpux from
	(i[34567]86-*-elf*): Remove tmake_file.
	(x86_64-*-elf*): Likewise.
	(i[34567]86-*-nto-qnx*): Likewise.
	(i[34567]86-*-cygwin*): Remove i386/t-cygwin from tmake_file.
	(i[34567]86-*-mingw*, x86_64-*-mingw*): Remove i386/t-gthr-win32
	from tmake_file if using win32 threads.
	(iq2000*-*-elf*): Remove tmake-file.
	(microblaze*-linux*): Likewise.
	(sh-*-elf*, sh[12346l]*-*-elf*, sh-*-linux*)
	(sh[2346lbe]*-*-linux*, sh-*-netbsdelf*, shl*-*-netbsdelf*)
	(sh5-*-netbsd*, sh5l*-*-netbsd*, sh64-*-netbsd*)
	(sh64l*-*-netbsd*): Remove sh/t-netbsd from tmake_file for
	sh5*-*-netbsd*, sh64*-netbsd*, *-*-netbsd.
	(xtensa*-*-elf*): Remove tmake_file.

2011-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* (LIB1ASMSRC): Don't export.
	(libgcc.mvars): Don't emit LIB1ASMFUNCS, LIB1ASMSRC.
	* config/arm/arm.c: Update lib1funcs.asm filename.
	* config/arm/linux-eabi.h: Likewise.
	* config/arm/bpabi-v6m.S, config/arm/bpabi.S,
	config/arm/ieee754-df.S, config/arm/ieee754-sf.S: Move to
	* config/arm/lib1funcs.asm: Move to ../libgcc/config/arm/lib1funcs.S.
	* config/arm/t-arm (LIB1ASMSRC, LIB1ASMFUNCS): Remove.
	* config/arm/t-arm-elf (LIB1ASMFUNCS): Remove.
	* config/arm/t-bpabi: Likewise.
	* config/arm/t-linux (LIB1ASMSRC, LIB1ASMFUNCS): Remove.
	* config/arm/t-linux-eabi (LIB1ASMFUNCS): Remove.
	* config/arm/t-strongarm-elf: Likewise.
	* config/arm/t-symbian: Likewise.
	* config/arm/t-vxworks: Likewise.
	* config/arm/t-wince-pe: Likewise.
	* config/avr/libgcc.S: Move to ../libgcc/config/avr.
	* config/avr/t-avr (LIB1ASMSRC, LIB1ASMFUNCS): Remove.
	* config/bfin/lib1funcs.asm: Move to ../libgcc/config/bfin/lib1funcs.S.
	* config/bfin/t-bfin: Remove.
	* config/bfin/t-bfin-elf (LIB1ASMSRC, LIB1ASMFUNCS): Remove.
	* config/bfin/t-bfin-linux: Likewise.
	* config/bfin/t-bfin-uclinux: Likewise.
	* config/c6x/lib1funcs.asm: Move to ../libgcc/config/c6x/lib1funcs.S.
	* config/c6x/t-c6x-elf (LIB1ASMSRC, LIB1ASMFUNCS): Remove.
	* config/fr30/lib1funcs.asm: Move to ../libgcc/config/fr30/lib1funcs.S.
	* config/fr30/t-fr30 (LIB1ASMSRC, LIB1ASMFUNCS): Remove.
	* config/frv/lib1funcs.asm: Move to ../libgcc/config/frv/lib1funcs.S.
	* config/frv/t-frv (CROSS_LIBGCC1, LIB1ASMSRC, LIB1ASMFUNCS): Remove.
	* config/h8300/fixunssfsi.c: Update lib1funcs.asm filename.
	* config/h8300/lib1funcs.asm: Move to
	* config/h8300/t-h8300 (LIB1ASMSRC, LIB1ASMFUNCS): Remove.
	* config/i386/cygwin.asm: Move to ../libgcc/config/i386/cygwin.S.
	* config/i386/t-cygming (LIB1ASMSRC, LIB1ASMFUNCS): Remove.
	* config/i386/t-interix: Likewise.
	* config/ia64/lib1funcs.asm: Move to ../libgcc/config/ia64/lib1funcs.S.
	* config/ia64/t-hpux (LIB1ASMFUNCS, LIBGCC1_TEST): Remove.
	* config/ia64/t-ia64 (LIB1ASMSRC, LIB1ASMFUNCS): Remove.
	* config/iq2000/t-iq2000 (LIBGCC1, CROSS_LIBGCC1): Remove.
	* config/m32c/m32c.c: Update m32c-lib1.S filename.
	* config/m32c/m32c-lib1.S: Move to ../libgcc/config/m32c/lib1funcs.S.
	* config/m32c/t-m32c (LIB1ASMSRC, LIB1ASMFUNCS): Remove.
	* config/m32r/t-linux (CROSS_LIBGCC1, LIBGCC1, LIBGCC1_TEST): Remove.
	* config/m68k/lb1sf68.asm: Move to ../libgcc/config/m68k/lb1sf68.S.
	* config/m68k/t-floatlib (LIB1ASMSRC, LIB1ASMFUNCS): New file.
	* config/mcore/lib1.asm: Move to ../libgcc/config/mcore/lib1funcs.S.
	* config/mcore/t-mcore (LIB1ASMSRC, LIB1ASMFUNCS): Remove.
	* config/mep/mep-lib1.asm: Move to ../libgcc/config/mep/lib1funcs.S.
	* config/mep/t-mep (LIB1ASMSRC, LIB1ASMFUNCS): Remove.
	* config/mips/mips16.S: Move to ../libgcc/config/mips.
	* config/mips/t-libgcc-mips16: Remove.
	* config/mips/t-sr71k (LIBGCC1, CROSS_LIBGCC1): Remove.
	* config/pa/milli64.S: Move to ../libgcc/config/pa.
	* config/pa/t-linux (LIB1ASMFUNCS, LIB1ASMSRC): Remove.
	* config/pa/t-linux64: Likewise.
	* config/picochip/libgccExtras/fake_libgcc.asm: Move to
	* config/picochip/t-picochip (LIB1ASMFUNCS, LIB1ASMSRC): Remove.
	* config/sh/lib1funcs.asm: Move to ../libgcc/config/sh/lib1funcs.S.
	* config/sh/lib1funcs.h: Move to ../libgcc/config/sh.
	* config/sh/sh.h: Update lib1funcs.asm filename.
	* config/sh/t-linux (LIB1ASMFUNCS_CACHE): Remove.
	* config/sh/t-netbsd: Likewise.
	* config/sh/t-sh64 (LIB1ASMFUNCS): Remove.
	* config/sparc/lb1spc.asm: Move to ../libgcc/config/sparc/lb1spc.S.
	* config/sparc/lb1spl.asm: Remove.
	* config/sparc/t-elf (LIB1ASMSRC, LIB1ASMFUNCS): Remove.
	* config/sparc/t-leon: Likewise.
	* config/spu/t-spu-elf (LIBGCC1, CROSS_LIBGCC1): Remove.
	* config/v850/lib1funcs.asm: Move to ../libgcc/config/v850/lib1funcs.S.
	* config/v850/t-v850 (LIB1ASMSRC, LIB1ASMFUNCS): Remove
	* config/vax/lib1funcs.asm: Move to ../libgcc/config/vax/lib1funcs.S.
	* config/vax/t-linux: Remove.
	* config/xtensa/ieee754-df.S, config/xtensa/ieee754-sf.S: Move to
	* config/xtensa/lib1funcs.asm: Move to
	* config/xtensa/t-xtensa (LIB1ASMSRC, LIB1ASMFUNCS): Remove.
	* config.gcc (bfin*-rtems*): Remove bfin/t-bfin from tmake_file.
	(bfin*-*): Likewise.
	(mips64*-*-linux*, mipsisa64*-*-linux*): Remove
	mips/t-libgcc-mips16 from tmake_file.
	(mips*-*-linux*): Likewise.
	(mips*-sde-elf*): Likewise.
	(mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*)
	(mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*)
	(mipsisa64r2-*-elf*, mipsisa64r2el-*-elf*): Likewise.
	(mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*): Likewise.
	(mips-*-elf*, mipsel-*-elf*): Likewise.
	(mips64-*-elf*, mips64el-*-elf*): Likewise.
	(mips64orion-*-elf*, mips64orionel-*-elf*): Likewise.
	(mips*-*-rtems*): Likewise.
	(mipstx39-*-elf*, mipstx39el-*-elf*): Likewise.
	(vax-*-linux*): Remove vax/t-linux from tmake_file.

2011-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config.gcc (extra_parts): Remove.
	(*-*-freebsd*): Remove extra_parts.
	(*-*-linux*, frv-*-*linux*, *-*-kfreebsd*-gnu, *-*-knetbsd*-gnu,
	*-*-gnu*, *-*-kopensolaris*-gnu): Likewise.
	(*-*-netbsd*): Remove t-libc-ok, t-netbsd from tmake_file.
	Remove extra_parts for *-*-netbsd*1.[7-9]*, *-*-netbsd[2-9]*,
	(*-*-openbsd*): Remove t-libc-ok from tmake_file.
	(alpha*-*-linux*): Remove extra_parts.
	(alpha*-*-freebsd*): Likewise.
	(bfin*-linux-uclibc*): Likewise.
	(fr30-*-elf): Likewise.
	(moxie-*-elf): Likewise.
	(moxie-*-uclinux*): Likewise.
	(h8300-*-rtems*): Remove h8300/t-elf from tmake_file.
	(h8300-*-elf*): Likewise.
	(hppa*64*-*-hpux11*): Remove extra_parts.
	(i[34567]86-*-elf*): Remove i386/t-i386elf, i386/t-crtstuff from
	(x86_64-*-elf*): Likewise.
	(i[34567]86-*-freebsd*): Remove tmake_file.
	(x86_64-*-freebsd*): Likewise.
	(x86_64-*-netbsd*): Likewise.
	(i[34567]86-*-openbsd2.*, i[34567]86-*openbsd3.[0123]): Remove
	t-libc-ok from tmake_file.
	(i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
	i[34567]86-*-knetbsd*-gnu, i[34567]86-*-gnu*,
	i[34567]86-*-kopensolaris*-gnu): Remove i386/t-crtstuff from
	Remove extra_parts.
	(x86_64-*-linux*, x86_64-*-kfreebsd*-gnu, x86_64-*-knetbsd*-gnu):
	Remove i386/t-crtstuff from tmake_file.
	(i[34567]86-*-lynxos*): Likewise.
	Remove extra_parts.
	(ia64*-*-elf*): Remove extra_parts.
	(ia64*-*-freebsd*): Likewise.
	(ia64*-*-linux*): Likewise.
	(ia64-hp-*vms*): Remove ia64/t-vms from tmake_file.
	(m32r-*-elf*): Remove extra_parts.
	(m32rle-*-elf*): Likewise.
	(m32r-*-rtems*): Likewise.
	(m68k-*-elf*, fido-*-elf*): Likewise.
	(m68k*-*-openbsd*): Remove t-libc-ok from tmake_file.
	(m68k-*-rtems*): Remove extra_parts.
	(mep-*-*): Likewise.
	(microblaze*-linux*): Likewise.
	(mips64*-*-linux*, mipsisa64*-*-linux*): Likewise.
	(mips*-*-linux*): Likewise.
	(powerpc-*-lynxos*): Likewise.
	(s390x-ibm-tpf*): Likewise.
	(score-*-elf): Likewise.
	Remove tmake_file.
	(sh-*-elf*, sh[12346l]*-*-elf*, sh-*-linux*, sh[2346lbe]*-*-linux*,
	sh-*-netbsdelf*, shl*-*-netbsdelf*, sh5-*-netbsd*, sh5l*-*-netbsd*,
	sh64-*-netbsd*, sh64l*-*-netbsd*): Remove sh/t-elf from tmake_file.
	Remove sh/t-superh from tmake_file for sh*-superh-elf.
	Remove sh/t-linux64 from tmake_file for sh64*-*-linux*.
	(sh-*-rtems*): Remove sh/t-elf from tmake_file.
	(sh-wrs-vxworks): Likewise.
	(sparc-*-linux*): Remove extra_parts.
	(sparc64-*-linux*): Likewise.
	(sparc64-*-freebsd*, ultrasparc-*-freebsd*): Likewise.
	(xstormy16-*-elf): Likewise.
	(xtensa*-*-linux*): Remove xtensa/t-linux from tmake_file.
	(am33_2.0-*-linux*): Remove extra_parts.
	* (extra_parts): Don't substitute.
	* configure: Regenerate.
	* crtstuff.c: Move to ../libgcc.
	(EXTRA_PARTS): Remove.
	(libgcc.mvars): Remove GCC_EXTRA_PARTS, CRTSTUFF_CFLAGS,
	($(T)crtbegin.o, $(T)crtend.o, $(T)crtbeginS.o, $(T)crtendS.o)
	($(T)crtbeginT.o): Remove.
	* config/alpha/t-vms (EXTRA_PARTS): Remove.
	($(T)vms-dwarf2.o, $(T)vms-dwarf2eh.o): Remove.
	* config/alpha/vms-dwarf2.asm: Move to
	* config/alpha/vms-dwarf2eh.asm: Move to
	* config/arm/crti.asm: Move to ../libgcc/config/arm/crti.S.
	* config/arm/crtn.asm: Move to ../libgcc/config/arm/crtn.S.
	* config/arm/t-arm-elf (EXTRA_MULTILIB_PARTS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/arm/t-linux: Remove comment.
	* config/arm/t-linux-eabi (EXTRA_MULTILIB_PARTS): Remove.
	* config/arm/t-strongarm-elf (EXTRA_MULTILIB_PARTS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/arm/t-symbian (EXTRA_MULTILIB_PARTS): Remove.
	* config/bfin/crti.s: Move to ../libgcc/config/bfin/crti.S.
	* config/bfin/crtn.s: Move to ../libgcc/config/bfin/crtn.S.
	* config/bfin/crtlibid.s: Move to ../libgcc/config/bfin/crtlibid.S.
	* config/bfin/t-bfin (EXTRA_PARTS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/bfin/t-bfin-elf (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crti.o, $(T)crtn.o, $(T)crtlibid.o): Remove
	* config/bfin/t-bfin-linux (CRTSTUFF_T_CFLAGS,
	* config/bfin/t-bfin-uclinux (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crtlibid.o): Remove.
	* config/c6x/crti.s: Move to ../libgcc/config/c6x/crti.S.
	* config/c6x/crtn.s: Move to ../libgcc/config/c6x/crtn.S.
	* config/c6x/t-c6x-elf ($(T)crti.o, $(T)crtn.o): Remove.
	* config/c6x/t-c6x-uclinux (CRTSTUFF_T_CFLAGS,
	* config/cris/t-elfmulti (CRTSTUFF_T_CFLAGS): Remove.
	* config/cris/t-linux (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/fr30/crti.asm: Move to ../libgcc/config/fr30/crti.S.
	* config/fr30/crtn.asm: Move to ../libgcc/config/fr30/crtn.S.
	* config/fr30/t-fr30 ($(T)crti.o, $(T)crtn.o): Remove.
	* config/frv/frvbegin.c, config/frv/frvend.c: Move to
	* config/frv/t-frv (EXTRA_MULTILIB_PARTS): Remove.
	(FRVSTUFF_CFLAGS, $(T)frvbegin$(objext), $(T)frvend$(objext)): Remove.
	* config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove.
	* config/h8300/crti.asm: Move to ../libgcc/config/h8300/crti.S.
	* config/h8300/crtn.asm: Move to ../libgcc/config/h8300/crtn.S.
	* config/h8300/t-elf: Remove.
	* config/i386/cygming-crtbegin.c, config/i386/cygming-crtend.c:
	Move to ../libgcc/config/i386.
	* config/i386/t-crtstuff: Remove.
	* config/i386/t-i386elf: Remove.
	* config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Remove.
	* config/i386/t-nto (CRTSTUFF_T_CFLAGS, EXTRA_PARTS): Remove.
	* config/ia64/crtbegin.asm: Move to ../libgcc/config/ia64/crtbegin.S.
	* config/ia64/crtend.asm: Move to ../libgcc/config/ia64/crtend.S.
	* config/ia64/crti.asm: Move to ../libgcc/config/ia64/crti.S.
	* config/ia64/crtn.asm: Move to ../libgcc/config/ia64/crtn.S.
	* config/ia64/t-vms: Remove.
	* config/ia64/vms-crtinit.asm: Move to
	* config/m32c/t-m32c (EXTRA_MULTILIB_PARTS): Remove.
	* config/m32r/initfini.c: Move to ../libgcc/config/m32r.
	* config/m32r/t-linux (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/m32r/t-m32r (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crtinit.o, $(T)crtfini.o): Remove.
	(m32rx, m32r2): Remove.
	* config/m68k/crti.s: Move to ../libgcc/config/m68k/crti.S.
	* config/m68k/crtn.s: Move to ../libgcc/config/m68k/crtn.S.
	* config/m68k/t-crtstuff: Remove.
	* config/m68k/t-linux (EXTRA_MULTILIB_PARTS): Remove.
	* config/m68k/t-m68kelf: Remove.
	* config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Remove.
	* config/mcore/crti.asm: Move to ../libgcc/config/mcore/crti.S.
	* config/mcore/crtn.asm: Move to ../libgcc/config/mcore/crtn.S.
	* config/mcore/t-mcore ($(T)crti.o, $(T)crtn.o): Remove.
	* config/mep/t-mep (CRTSTUFF_CFLAGS): Remove.
	* config/microblaze/crti.s: Move to ../libgcc/config/microblaze/crti.S.
	* config/microblaze/crtn.s: Move to ../libgcc/config/microblaze/crtn.S.
	* config/microblaze/t-microblaze (EXTRA_MULTILIB_PARTS,
	EXTRA_PARTS): Remove.
	($(T)crti$(objext), $(T)crtn$(objext)): Remove.
	* config/mips/crti.asm: Move to ../libgcc/config/mips/crti.S.
	* config/mips/crtn.asm: Move to ../libgcc/config/mips/crtn.S.
	* config/mips/t-elf (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/mips/t-isa3264: Likewise.
	* config/mips/t-linux64 (EXTRA_MULTILIB_PARTS): Remove.
	* config/mips/t-r3900 (EXTRA_MULTILIB_PARTS): Remove.
	* config/mips/t-sde (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/mips/t-st (EXTRA_MULTILIB_PARTS): Remove.
	* config/mips/t-vr (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/mmix/crti.asm: Move to ../libgcc/config/crti.S.
	* config/mmix/crtn.asm: Move to ../libgcc/config/crtn.S.
	* config/mmix/t-mmix (CRTSTUFF_T_CFLAGS): Remove.
	* config/moxie/crti.asm, config/moxie/crtn.asm: Remove.
	* config/pa/stublib.c: Move to libgcc/config/pa.
	* config/pa/t-linux (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/pa/t-linux64 (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/pa/t-pa-hpux11 (LIBGCCSTUB_OBJS, stublib.c): Remove.
	(pthread_default_stacksize_np-stub.o, pthread_mutex_lock-stub.o)
	(pthread_mutex_unlock-stub.o, pthread_once-stub.o)
	($(T)libgcc_stub.a): Remove.
	* config/pa/t-pa64 (LIBGCCSTUB_OBJS, stublib.c): Remove.
	(rfi-stub.o, dfi-stub.o, cxaf-stub.o, jvrc-stub.o)
	(pthread_default_stacksize_np-stub.o, pthread_mutex_lock-stub.o)
	(pthread_mutex_unlock-stub.o, pthread_once-stub.o)
	($(T)libgcc_stub.a): Remove.
	* config/rs6000/eabi-cn.asm: Move to
	* config/rs6000/eabi-ci.asm: Move to
	* config/rs6000/sol-ci.asm: Move to
	* config/rs6000/sol-cn.asm: Move to
	* config/rs6000/t-lynx (EXTRA_MULTILIB_PARTS): Remove.
	* config/rs6000/t-netbsd (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S):
	* config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Remove.
	(ecrti.S, ecrtn.S, ncrti.S, ncrtn.S): Remove.
	($(T)ecrti$(objext), $(T)ecrtn$(objext), $(T)ncrti$(objext),
	($(T)ncrtn$(objext)): Remove.
	* config/rs6000/t-vxworks (EXTRA_MULTILIB_PARTS): Remove.
	* config/rx/t-rx (EXTRA_MULTILIB_PARTS): Remove.
	* config/score/crti.asm: Move to ../libgcc/config/score/crti.S.
	* config/score/crtn.asm: Move to ../libgcc/config/score/crtn.S.
	* config/score/t-score-elf: Remove.
	* config/sh/crt1.asm: Move to ../libgcc/config/sh/crt1.S.
	* config/sh/crti.asm: Move to ../libgcc/config/sh/crti.S.
	* config/sh/crtn.asm: Move to ../libgcc/config/sh/crtn.S.
	* config/sh/lib1funcs-4-300.asm: Move to
	* config/sh/lib1funcs-Os-4-200.asm: Move to
	* config/sh/t-elf: Remove.
	* config/sh/t-linux (EXTRA_MULTILIB_PARTS): Remove.
	* config/sh/t-linux64: Remove.
	* config/sh/t-netbsd (EXTRA_MULTILIB_PARTS): Remove.
	* config/sh/t-sh ($(T)crt1.o, $(T)crti.o, $(T)crtn.o): Remove.
	($(T)libic_invalidate_array_4-200.a, $(T)ic_invalidate_array_4a.o)
	($(T)libic_invalidate_array_4a.a, $(T)sdivsi3_i4i-Os-4-200.o)
	($(T)udivsi3_i4i-Os-4-200.o, $(T)unwind-dw2-Os-4-200.o)
	($(T)libgcc-Os-4-200.a, $(T)div_table-4-300.o)
	($(T)libgcc-4-300.a): Remove.
	* config/sh/t-superh: Remove.
	* config/sh/t-vxworks (EXTRA_MULTILIB_PARTS): Remove.
	* config/sparc/t-linux64 (CRTSTUFF_T_CFLAGS): Remove.
	* config/spu/cache.S: Move to ../libgcc/config/spu.
	* config/spu/cachemgr.c: Move to ../libgcc/config/spu.
	* config/spu/t-spu-elf (CRTSTUFF_T_CFLAGS): Remove.
	($(T)cachemgr.o, $(T)cachemgr_nonatomic.o, $(T)libgcc_%.a): Remove.
	($(T)cache8k.o, $(T)cache16k.o, $(T)cache32k.o, $(T)cache32k.o)
	($(T)cache64k.o, $(T)cache128k.o): Remove.
	* config/t-freebsd (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/t-libc-ok: Remove.
	* config/t-linux (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/t-lynx (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/t-netbsd: Remove.
	* config/t-svr4 (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/t-vxworks (EXTRA_MULTILIB_PARTS): Remove.
	* config/vms/t-vms (VMS_EXTRA_PARTS): Remove.
	($(T)vcrt0.o, $(T)pcrt0.o): Remove.
	* config/vms/vms-ucrt0.c: Move to ../libgcc/config/vms.
	* config/xtensa/crti.asm: Move to ../libgcc/config/xtensa/crti.S.
	* config/xtensa/crtn.asm: Move to ../libgcc/config/xtensa/crtn.S.
	* config/xtensa/t-elf (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Remove.
	* config/xtensa/t-linux: Remove.
	* config/xtensa/t-xtensa ($(T)crti.o, $(T)crtn.o): Remove.

2011-11-02  Uros Bizjak  <>

	* config/i386/i386.c (bdesc_args) [IX86_BUILTIN_CVTTPD2DQ256]: Use
	CODE_FOR_fix_truncv4dfv4si2, not CODE_FOR_fix_truncv4sfv4si2.

2011-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR translation/45116
	* (slibdir): Remove, don't export.
	(SHLIB_NM_FLAGS): Remove.
	(libgcc.mvars): Don't emit SHLIB_LINK, SHLIB_INSTALL,
	(gcc.o): Pass SHLIB instead of SHLIB_LINK.
	(gccspec.o): Likewise.
	(installdirs): Don't create $(DESTDIR)$(slibdir).
	* (slibdir): Remove.
	* configure: Regenerate.
	* libgcc-libsystem.ver: Move to ../libgcc/config.
	* mkmap-flat.awk, mkmap-symver.awk: Move to ../libgcc.
	* config/libgcc-glibc.ver: Move to ../libgcc/config.
	* config/t-libunwind (SHLIB_LC): Remove.
	* config/t-linux (SHLIB_MAPFILES): Remove.
	* config/t-slibgcc-dummy: Rename to config/t-slibgcc.
	* config/t-slibgcc-elf-ver: Remove.
	* config/t-slibgcc-libgcc, config/t-slibgcc-nolc-override: Move to
	* config/alpha/libgcc-alpha-ldbl.ver, config/alpha/t-linux: Move
	to ../libgcc/config/alpha.
	* config/alpha/t-vms (shlib_version, SHLIB_EXT, SHLIB_OBJS,
	* config/arm/libgcc-bpabi.ver: Move to ../libgcc/config/arm.
	* config/arm/t-bpabi (SHLIB_MAPFILES): Remove.
	* config/arm/t-netbsd (SHLIB_EXT, SHLIB_NAME, SHLIB_SONAME,
	* config/arm/t-symbian (SHLIB_LC): Remove.
	* config/bfin/libgcc-bfin.ver: Move to
	* config/bfin/t-bfin-linux (SHLIB_MAPFILES): Remove.
	* config/c6x/libgcc-c6xeabi.ver: Move to
	* config/c6x/t-c6x-elf (SHLIB_MAPFILES): Remove.
	* config/cris/libgcc.ver: Move to
	* config/cris/t-linux (SHLIB_MAPFILES): Remove.
	* config/frv/libgcc-frv.ver: Move to ../libgcc/config/frv.
	* config/frv/t-linux (SHLIB_MAPFILES): Remove.
	* config/i386/darwin-libgcc.10.4.ver: Move to
	* config/i386/darwin-libgcc.10.5.ver: Move to
	* config/i386/libgcc-glibc.ver: Move to ../libgcc/config/i386.
	* config/i386/t-cygming (SHLIB_EXT, SHLIB_IMPLIB, SHLIB_SOVERSION,
	* config/i386/t-cygwin (SHLIB_LC, SHLIB_EH_EXTENSION,
	* config/i386/t-dlldir, config/i386/t-dlldir-x: Move to
	* config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Move to
	* config/i386/t-linux: Move to ../libgcc/config/i386.
	* config/i386/t-mingw-pthread: Move to ../libgcc/config/i386.
	* config/i386/t-mingw-w32 (SHLIB_LC): Remove.
	* config/i386/t-mingw-w64: Likewise.
	* config/i386/t-mingw32: Remove.
	* config/ia64/libgcc-glibc.ver, config/ia64/libgcc-ia64.ver: Move
	to ../libgcc/config/ia64.
	* config/ia64/t-glibc: Remove.
	* config/ia64/t-hpux (SHLIB_EXT, SHLIB_LINK, SHLIB_INSTALL): Remove.
	* config/ia64/t-ia64 (SHLIB_MAPFILES): Remove.
	* config/ia64/t-vms (shlib_version, SHLIB_EXT, SHLIB_OBJS,
	* config/ia64/vms_symvec_libgcc_s.opt: Remove.
	* config/m32r/libgcc-glibc.ver: Move to ../libgcc/config/m32r.
	* config/m32r/t-linux (SHLIB_MAPFILES): Remove.
	* config/m68k/t-slibgcc-elf-ver: Move to ../libgcc/config/m68k.
	* config/mips/t-libgcc-mips16 (SHLIB_MAPFILES): Remove.
	* config/pa/t-hpux-shlib: Move to ../libgcc/config/pa/t-slibgcc-hpux.
	* config/pa/t-slibgcc-dwarf-ver, config/pa/t-slibgcc-sjsj-ver:
	Move to ../libgcc/config/pa.
	* config/rs6000/darwin-libgcc.10.4.ver: Move to
	* config/rs6000/darwin-libgcc.10.5.ver: Move to
	* config/rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_INSTALL,
	* config/rs6000/t-aix52: Likewise.
	* config/sh/libgcc-excl.ver, config/sh/libgcc-glibc.ver: Move to
	* config/sparc/libgcc-sparc-glibc.ver: Move to
	* config/sparc/t-linux: Move to ../libgcc/config/sparc.
	* config/xtensa/t-linux (SHLIB_MAPFILES): Remove.
	* config/xtensa/libgcc-xtensa.ver: Move to
	* config.gcc (*-*-freebsd*): Replace t-slibgcc-elf-ver with
	t-slibgcc in tmake_file.
	Remove t-slibgcc-nolc-override for *-*-freebsd[34],
	*-*-freebsd[34].* with pthreads.
	(*-*-linux*, frv-*-*linux*, *-*-kfreebsd*-gnu,
	*-*-knetbsd*-gnu, *-*-gnu*, *-*-kopensolaris*-gnu): Replace
	t-slibgcc-elf-ver with t-slibgcc in tmake_file.
	(*-*-netbsd*): Likewise.
	(*-*-solaris2*): Replace t-slibgcc-dummy with t-slibgcc in tmake_file.
	(*-*-*vms*): Add t-slibgcc to tmake_file.
	(alpha*-*-linux*): Remove alpha/t-linux from tmake_file.
	(alpha*-dec-osf5.1*): Replace t-slibgcc-dummy with t-slibgcc in
	(arm*-*-linux*): Remove t-slibgcc-libgcc from tmake_file for
	(bfin*-linux-uclibc*): Replace t-slibgcc-dummy with t-slibgcc in
	(crisv32-*-linux*, cris-*-linux*): Likewise.
	(hppa*-*-linux*): Remove t-slibgcc-libgcc, pa/t-slibgcc-sjlj-ver,
	pa/t-slibgcc-dwarf-ver from tmake_file.
	(hppa[12]*-*-hpux10*): Replace pa/t-hpux-shlib with t-slibgcc in
	Remove pa/t-slibgcc-sjlj-ver, pa/t-slibgcc-dwarf-ver from tmake_file.
	(hppa*64*-*-hpux11*): Likewise.
	(hppa[12]*-*-hpux11*): Likewise.
	(i[34567]86-*-darwin*): Replace t-slibgcc-dummy in t-slibgcc in
	(x86_64-*-darwin*): Likewise.
	(i[34567]86-*-cygwin*): Remove tmake_eh_file, tmake_dlldir_file.
	Add t-slibgcc to tmake_file.
	(i[34567]86-*-mingw*, x86_64-*-mingw*): Likewise.
	Remove i386/t-mingw32 from tmake_file unless x86_64-w64-*,
	Remove i386/t-mingw-pthread from tmake_file.
	(ia64*-*-linux*): Remove ia64/t-glibc from tmake_file.
	(ia64*-*-hpux*): Add t-slibgcc to tmake_file.
	(ia64-hp-*vms*): Likewise.
	(m32r-*-linux*): Replace t-slibgcc-elf-ver with t-slibgcc in
	(m32rle-*-linux*): Likewise.
	(m68k-*-linux*): Remove m68k/t-slibgcc-elf-ver from tmake_file.
	(microblaze*-linux*): Remove t-slibgcc-elf-ver,
	t-slibgcc-nolc-override from tmake_file.
	(mips-sgi-irix6.5*): Replace t-slibgcc-dummy with t-slibgcc in
	(powerpc-*-darwin*): Likewise.
	(powerpc64-*-darwin*): Likewise.
	(powerpc-*-freebsd*): Remove t-slibgcc-libgcc from tmake_file.
	(powerpc-*-linux*, powerpc64-*-linux*): Likewise.
	(rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Add
	t-slibgcc to tmake_file.
	(rs6000-ibm-aix5.1.*, powerpc-ibm-aix5.1.*): Likewise.
	(rs6000-ibm-aix5.2.*, powerpc-ibm-aix5.2.*): Likewise.
	(rs6000-ibm-aix5.3.*, powerpc-ibm-aix5.3.*): Likewise.
	(rs6000-ibm-aix[6789].*, powerpc-ibm-aix[6789].*): Likewise.
	(sparc-*-linux*): Remove sparc/t-linux from tmake_file.
	(sparc64-*-linux*): Likewise.
	(tic6x-*-uclinux): Replace t-slibgcc-elf-ver with t-slibgcc in
	(i[34567]86-*-linux*, x86_64-*-linux*, i[34567]86-*-kfreebsd*-gnu,
	x86_64-*-kfreebsd*-gnu, i[34567]86-*-gnu*): Remove i386/t-linux
	from tmake_file.

2011-11-02  Richard Guenther  <>

	PR tree-optimization/50902
	* tree-vect-stmts.c (vectorizable_load): Properly convert
	an invariant initializer element.

2010-11-02  Richard Guenther  <>

	PR tree-optimization/50890
	* gimple.h (gimple_fold_call): Remove.
	* gimple-fold.c (fold_stmt_1): Move all call related code to ...
	(gimple_fold_call): ... here.  Make static.  Update the
	cannot-inline flag on direct calls.
	* ipa-inline.c (early_inliner): Copy the cannot-inline flag
	from the statements to the edges.

2011-11-01  Ian Lance Taylor  <>

	* godump.c (struct macro_hash_value): Define.
	(macro_hash_hashval): New static function.
	(macro_hash_eq, macro_hash_del): New static functions.
	(go_define): Use macro_hash_value to store values in macro_hash.
	Replace an old value on a redefinition.  Don't print anything to
	(go_undef): Delete the entry from the hash table.
	(go_output_typedef): For an enum, use macro_hash_value, and don't
	print anything to go_dump_file.
	(go_print_macro): New static function.
	(go_finish): Traverse macro_hash with go_print_macro.
	(dump_go_spec_init): Update macro_hash creation for macro_hash_value.

2011-11-02  Alan Modra  <>

	* config/rs6000/rs6000.c (rs6000_code_end): Declare ATTRIBUTE_UNUSED.

2011-11-01  Paolo Carlini  <>

	PR c++/44277
	* doc/invoke.texi: Document -Wzero-as-null-pointer-constant.

2011-11-01  Andrew Stubbs  <>

	* config/arm/bpabi.h (BE8_LINK_SPEC): Recognize generic-armv7 tuning.

2011-11-01  Uros Bizjak  <>

	* config/i386/ (splitters for int-float conversion): Use
	SUBREG_REG on SUBREGs in splitter constraints.

2011-11-01  Jakub Jelinek  <>

	* config/i386/i386-protos.h (ix86_expand_adjust_ufix_to_sfix_si): New
	* config/i386/i386.c (ix86_expand_adjust_ufix_to_sfix_si): New
	* config/i386/ (fixuns_trunc<mode><sseintvecmodelower>2): Use it.
	(ssepackfltmode): New mode attr.
	(vec_pack_ufix_trunc_<mode>): New expander.

2011-11-01  Uros Bizjak  <>

	PR target/50940
	* config/i386/ (floatsi<mode>2_vector_sse_with_temp splitter):
	Compare <ssevecmode>mode to V4SFmode, not V4SImode.

2011-11-01  Peter Bergner  <>

	* config.gcc (powerpc*-*-linux*): Add powerpc*-*-linux*ppc476* variant.
	* config/rs6000/476.h: New file.
	* config/rs6000/476.opt: Likewise.
	* config/rs6000/rs6000.h (TARGET_LINK_STACK): New define.
	* config/rs6000/rs6000.c (rs6000_option_override_internal): Enable
	TARGET_LINK_STACK for -mtune=476 and -mtune=476fp.
	(rs6000_legitimize_tls_address): Emit the link stack preserving GOT
	(rs6000_emit_load_toc_table): Likewise.
	(output_function_profiler): Likewise
	(macho_branch_islands): Likewise
	(machopic_output_stub): Likewise
	(get_ppc476_thunk_name): New function.
	(rs6000_code_end): Likewise.
	* config/rs6000/ (load_toc_v4_PIC_1, load_toc_v4_PIC_1b):
	Convert to a define_expand.
	(load_toc_v4_PIC_1_normal): New define_insn.
	(load_toc_v4_PIC_1_476): Likewise.
	(load_toc_v4_PIC_1b_normal): Likewise.
	(load_toc_v4_PIC_1b_476): Likewise.

2011-11-01  Georg-Johann Lay  <>

	PR target/50910
	* config/avr/avr.opt (-mbranch-cost=): New option.
	* config/avr/avr.h (BRANCH_COST): Define to avr_branch_cost.
	* config/avr/avr.c (avr_rtx_costs_1): Adjust [U]DIV/[U]MOD costs.
	* config/avr/ (*addqi3.lt0, *addhi3.lt0, *addsi3.lt0): New insns.
	(*addhi3_zero_extend1): Remove % in constraint of operand 1.
	(*addhi3.sign_extend1, *subhi3.sign_extend2): New insns.

2011-11-01  Tom de Vries  <>

	PR tree-optimization/50908
	* tree-ssa-tail-merge.c (update_vuses): Now that edges are removed
	before update_vuses, test for 1 predecessor rather than two.
	(delete_block_update_dominator_info): New function, part of it factored
	out of ...
	(replace_block_by): Use delete_block_update_dominator_info.  Call
	update_vuses after deleting bb1 and updating dominator info, instead of

2011-11-01  David S. Miller  <>

	* config/sparc/sparc.c (vector_init_faligndata): New function.
	(sparc_expand_vector_init): Use it for V4HImode on VIS1.

	* config/sparc/sparc.c (sparc_expand_vcond): New function.
	* config/sparc/sparc-protos.h (sparc_expand_vcond): Declare it.
	* config/sparc/ (vcond<mode><mode>): New VIS3 expander.
	(vconduv8qiv8qi): Likewise.

2011-11-01  Alexandre Oliva  <>

	PR debug/50869
	* cselib.c (cfa_base_preserved_regno): Initialize.
	(cselib_expand_value_rtx_1): Don't expand it.
	* var-tracking.c (vt_expand_var_loc_chain): Initialize depth.
	Check it's only zero if result is NULL.

2011-11-01  Jakub Jelinek  <>

	* config/i386/ (fixuns_trunc<mode><sseintvecmodelower>2): New

	* config/i386/ (sseintvecmode): Remove duplicate modes.
	(sseintvecmodelower): New mode iterator.
	(floatv8siv8sf2, floatunsv4siv4sf2): Macroize into...
	(float<sseintvecmodelower><mode>2): ... this using VF1 iterator.
	(floatunsv4siv4sf2): Macroize into...
	(floatuns<sseintvecmodelower><mode>2): ... this using VF1 iterator.

2011-10-31  David S. Miller  <>

	* config/sparc/ (cmask patterns): Allow zero operand.

	* dwarf2out.c (cached_next_real_insn): New.
	(dwarf2out_end_epilogue): Set it to NULL_RTX.
	(dwarf2out_var_location): Remove cached_next_real_insn local static.

2011-10-31  Richard Henderson  <>

	* config/i386/ (floatv8siv8sf2): Rename from avx_cvtdq2ps256.
	(floatv4siv4sf2): Rename from sse2_cvtdq2ps.
	(floatunsv4siv4sf2): Rename from sse2_cvtudq2ps.
	(fix_truncv8sfv8si2): Rename from avx_cvttps2dq256.
	(fix_truncv4sfv4si2): Rename from sse2_cvttps2dq.
	(floatv4siv4df2): Rename from avx_cvtdq2pd256.
	(fix_truncv4dfv4si2): Rename from avx_cvttpd2dq256.
	(vec_unpacku_float_hi_v8si): Update for insn pattern name changes.
	* config/i386/ (splitters for int-float conversion): Likewise.
	* config/i386/i386.c (ix86_split_convert_uns_si_sse): Likewise.
	(bdesc_args): Likewise.
	(enum ix86_builtins) [IX86_BUILTIN_CVTUDQ2PS]: Remove.
	(ix86_vectorize_builtin_conversion): Remove.

2011-10-31  Martin Jambor  <>

	* ipa-prop.c (mark_modified): Moved up in the file.
	(is_parm_modified_before_call): Renamed to
	is_parm_modified_before_stmt, moved up in the file.
	(load_from_unmodified_param): New function.
	(compute_complex_assign_jump_func): Also attempt to create pass
	through jump functions for values loaded from (addressable)

2011-10-31  Jakub Jelinek  <>

	* tree-vect-stmts.c (vectorizable_shift): If op1 is vect_external_def
	in a loop and has different type from op0, cast it to op0's type
	before the loop first.  For slp give up.  Don't crash if op1_vectype
	is NULL.

2011-10-31  Paul Brook  <>

	* cgraphunit.c: Don't mark clones as static constructors.

2011-10-31  David Edelsohn  <>

	* gcc-ar: Do not include stdio.h.

2011-10-31  Diego Novillo  <>

	* tree-streamer-out.c (pack_ts_base_value_fields): Emit
	* tree-streamer-in.c (unpack_ts_base_value_fields): Read

2011-10-30  David S. Miller  <>

	* config/sparc/sparc.c (vector_init_bshuffle): New function.
	(vector_init_fpmerge): New function.
	(sparc_expand_vector_init): Use them to improve non-const cases.

	* dwarf2out.c (dwarf2out_var_location): When processing several
	consecutive location notes, cache the result of next_real_insn().

2011-10-30  Uros Bizjak  <>

	* config/i386/ (avx2_vec_dup<mode>): Macroize insn from
	avx2_vec_dup{v8sf,v4sf} using VF1 mode iterator.
	(vec_dupv4sf): Remove expander.
	(vec_dupv4sf): Merge from *vec_dupv4sf and *vec_dupv4sf_avx.
	(vec_dupv2df): Remove expander.
	(vec_dupv2df): Merge from *vec_dupv2df and *vec_dupv2df_sse3.
	(*vec_concatv2df): Merge *vec_concatv2df_sse3.
	(*vec_dupv4si): Merge *vec_dupv4si_avx.
	(*vec_dupv2di): Merge *vec_dupv2di_sse3.

2011-10-30  Dmitry Plotnikov  <>

	* tree-cfg.c (verify_gimple_assign_unary): Allow vector conversions.
	* optabs.c (supportable_convert_operation): New function.
	* optabs.h (supportable_convert_operation): New prototype.
	* tree-vect-stmts.c (vectorizable_conversion): Change condition and
	behavior for NONE modifier case.
	* tree.h (VECTOR_INTEGER_TYPE_P): New macro.

2011-10-30  Jakub Jelinek  <>

	* tree-vectorizer.h (NUM_PATTERNS): Bump to 9.
	* tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): New
	(vect_vect_recog_func_ptrs): Add it.

2011-10-30  David S. Miller  <>

	* reorg.c (label_before_next_insn): New function.
	(relax_delay_slots): Use it instead of prev_label.
	* rtl.h (prev_label): Delete declaration.
	* emit-rtl.c (prev_label): Remove.

2011-10-30  Revital Eres  <>

	* modulo-sched.c (generate_prolog_epilog): Mark prolog and epilog
	(mark_loop_unsched): New function.
	(sms_schedule): Call it.

2011-10-29  John David Anglin  <>

	PR target/50617
	* config/pa/protos.h (attr_length_save_restore_dltp): Delete.
	(cmpib_comparison_operator): Likewise.
	(following_cal, output_and, output_ior, output_move_double,
	output_fp_move_double, output_block_move, output_block_clear,
	output_cbranch, output_lbranch, output_bb, output_bvb, output_dbra,
	output_movb, output_parallel_movb, output_parallel_addb, output_call,
	output_indirect_call, output_millicode_call, output_mul_insn,
	output_div_insn, output_mod_insn, singlemove_string,
	output_arg_descriptor, output_global_address, print_operand,
	legitimize_pic_address, hppa_encode_label, symbolic_expression_p,
	fmpyaddoperands, fmpysuboperands, emit_bcond_fp, emit_move_sequence,
	emit_hpdiv_const, is_function_label_plus_const, jump_in_call_delay,
	hppa_fpstore_bypass_p, attr_length_millicode_call, attr_length_call,
	attr_length_indirect_call, return_addr_rtx, function_arg_padding,
	insn_refs_are_delayed, get_deferred_plabel, ldil_cint_p, zdepi_cint_p,
	output_ascii, compute_frame_size, and_mask_p, cint_ok_for_move,
	hppa_expand_prologue, hppa_expand_epilogue, ior_mask_p,
	compute_zdepdi_operands, output_64bit_and, output_64bit_ior,
	reloc_needed, magic_milli, shadd_constant_p): Consistently prefix
	exported functions and variables with "pa_".
	* config/pa/ Likewise.
	* config/pa/pa64-hpux.h: likewise.
	* config/pa/som.h: Likewise.
	* config/pa/elf.h: Likewise.
	* config/pa/pa64-linux.h: Likewise.
	* config/pa/ Likewise.
	* config/pa/pa.c: Likewise.
	* config/pa/pa-linux.h: Likewise.
	* config/pa/pa.h: Likewise.
	* config/pa/ Likewise.

2011-10-29  Uros Bizjak  <>

	* config/i386/ (xop_sha<mode>3): Rename from xop_ashl<mode>3.
	Update all uses.
	(xop_shl<mode>3): Rename from xop_lshl<mode>3.  Update all uses.
	* config/i386/i386.c: Update all uses.

2011-10-29  Uros Bizjak  <>

	* config/i386/ (lshlv16qi3): Remove expander.
	(lshrv16qi3): New expander.
	(<shift_insn>v16qi3): Macroize expander from ashrv16qi3 and lshrv16qi3
	using any_shiftrt code iterator. Cleanup.
	(ashlv16qi3): Cleanup.
	(ashrv2di3): Ditto.

2011-10-29  John David Anglin  <>

	PR target/50691
	* config/pa/pa.c (emit_move_sequence): Legitimize TLS symbol
	(pa_legitimate_constant_p): Return false for TLS_MODEL_GLOBAL_DYNAMIC
	and TLS_MODEL_LOCAL_DYNAMIC symbol references.

2011-10-29  Georg-Johann Lay  <>

	PR target/50887
	* config/avr/avr.opt (-maccumulate-args): New option.
	* config/avr/avr.h (STARTING_FRAME_OFFSET): Redefine to
	(ACCUMULATE_OUTGOING_ARGS): Define to avr_accumulate_outgoing_args.
	* config/avr/ (UNSPECV_WRITE_SP_IRQ_ON): Remove.
	(UNSPECV_WRITE_SP): New constant.
	(*addhi3_sp_R): Rewrite to...
	(*addhi3_sp): ...this new insn.
	(movhi_sp_r_irq_off, movhi_sp_r_irq_on): Combine to...
	(movhi_sp_r): ...this new insn.
	* config/avr/avr-protos.h (avr_accumulate_outgoing_args): New.
	(avr_starting_frame_offset): New.
	* config/avr/avr.c (avr_accumulate_outgoing_args): New function.
	(avr_starting_frame_offset): New function.
	(avr_outgoing_args_size): New static function.
	(avr_initial_elimination_offset): Use it.
	(avr_simple_epilogue): Use it.
	(avr_asm_function_end_prologue): Use it.
	(expand_epilogue): Use it.
	(expand_prologue): Use it.  Break out code to...
	(avr_prologue_setup_frame): ...this new static function.
	(avr_can_eliminate): Allow eliminating to frame pointer if there
	is one.
	(avr_frame_pointer_required_p): Use frame pointer if target has a
	nonlocal label.
	* config/avr/ (R): Remove.
	(Csp): New constraint.
	* config/avr/ (avr_sp_immediate_operand): Use it.

2011-10-29  Andi Kleen  <>

	* gcc-ar.c (target_machine): Add.

2011-10-29  Anatoly Sokolov  <>

	* config/cris/cris.c (reg_ok_for_base_p, reg_ok_for_index_p,
	cris_constant_index_p, cris_base_p, cris_index_p,
	cris_base_or_autoincr_p, cris_bdap_index_p, cris_biap_index_p,
	cris_legitimate_address_p): New functions.
	(cris_pic_symbol_type, cris_valid_pic_const): Change arguments type
	from rtx to const_rtx.
	(cris_print_operand_address, cris_address_cost,
	cris_side_effect_mode_ok):  Use
	cris_constant_index_p, cris_base_p, cris_base_or_autoincr_p,
	cris_biap_index_p and cris_bdap_index_p.
	* config/cris/cris.h (CONSTANT_INDEX_P, BASE_P, BASE_OR_AUTOINCR_P,
	cris_constant_index_p, cris_base_p, cris_base_or_autoincr_p,
	cris_biap_index_p and cris_bdap_index_p.
	* config/cris/ (moversideqi movemsideqi peephole2): Use
	* config/cris/cris-protos.h (cris_constant_index_p, cris_base_p,
	cris_base_or_autoincr_p, cris_bdap_index_p, cris_biap_index_p): New
	(cris_pic_symbol_type, cris_valid_pic_const): Update prototype.

2011-10-21  Andi Kleen  <>

	* ggc-page (PAGE_ALIGN): Add.
	(alloc_page, ggc_pch_total_size, ggc_pch_this_base, ggc_pch_read):
	Replace ROUND_UP with PAGE_ALIGN.

2011-10-20  Andi Kleen  <>

	* ggc-page (alloc_anon): Add check argument.
	(alloc_page): Add fallback to 1 page allocation.
	Adjust alloc_anon calls to new argument.

2011-10-18  Andi Kleen  <>

	* ggc-page (release_pages): First free large continuous
	chunks in the madvise path.

2011-10-18  Andi Kleen  <>

	* ggc-page.c (alloc_pages): Always round up entry_size.

2011-10-19  Andi Kleen  <>

	* (MOSTLYCLEANFILES): Add gcc-ar/nm/ranlib.
	(native): Add gcc-ar, gcc-nm, gcc-ranlib.
	(AR_LIBS, gcc-ar, gcc-ar.o, gcc-ranlib, gcc-ranlib.o,
	gcc-nm, gcc-nm.o, gcc-ranlib.c, gcc-nm.c): Add.
	(install): Depend on install-gcc-ar.
	(install-gcc-ar): Add.
	(uninstall): Uninstall gcc-ar, gcc-nm, gcc-ranlib.
	* gcc-ar.c: Add new file.

2011-10-28  Pat Haugen <>

	* config/rs6000/ (define_attr "type"): Add vecdouble.
	* config/rs6000/ (VStype_simple, VStype_mul): Use vecdouble
	type for V2DF.
	(VStype_div): Use vector types for V2DF/V4SF.
	(VStype_sqrt): Use *sqrt types.
	(VS_spdp_type): Change type to vecdouble.
	(*vsx_fmav2df4, *vsx_nfmsv2df4, vsx_xvcvdpsxws, vsx_xvcvdpuxws,
	vsx_xvcvuxdsp, vsx_xvcvsxwdp, vsx_xvcvuxwdp, vsx_xvcvspsxds,
	vsx_xvcvspuxds): Likewise.
	(*vsx_fms<mode>4): Set type via <VStype_mul>.
	(*vsx_eq_<mode>_p, *vsx_gt_<mode>_p, *vsx_ge_<mode>_p): Set type via
	* config/rs6000/ (power7-vecstore): Correct VSU pipe.
	(power7-fpcompare, power7-sdiv, power7-ddiv, power7-sqrt,
	power7-dsqrt): Correct insn latency.
	(power7-vecsimple): Add veccmp type and correct dispatch/VSU values.
	(power7-veccmp): Delete.
	(power7-vecfloat): Correct latency/dispatch/VSU values.
	(define_bypass "power7-vecfloat"): Correct latency and types.
	(power7-veccomplex, power7-vecperm): Correct dispatch/VSU values.
	(power7-vecdouble, power7-vecfdiv, power7-vecdiv): New.

2011-10-28  Uros Bizjak  <>

	* config/i386/ (shift_insn): Rename code attribute from
	shiftrt_insn.  Also handle ashift RTX.
	(shift): Rename code attribute from shiftrt.  Also handle ashift RTX.
	(vshift): New code attribute.
	(<shift_insn>*): Rename from <shiftrt_insn>*. Update asm templates.
	(any_lshift): Move and rename code iterator from ...
	* config/i386/ (lshift): ... here.
	(lshift_insn): Remove code attribute.
	(lshift): Remove code attribute.
	(vlshr<mode>3): Use lshiftrt RTX.
	(vashr<mode>3, ashrv16qi3, ashrv2di3): Use ashiftrt RTX.
	(vashl<mode>3, ashlv16qi3): Use ashift RTX.
	(avx2_<lshift>v<mode>): Rename from avx2_<shift_insn>v<mode>.  Use
	any_lshift code iterator.  Update asm template.
	(<shift_insn><mode>3): Macroize insn from lshr<mode>3 and ashl<mode>3
	usign any_lshift code iterator.
	* config/i386/ (mmx_<shift_insn><mode>3): Macroize insn from
	mmx_lshr<mode>3 and mmx_ashl<mode>3 usign any_lshift code iterator.
	* config/i386/i386.c (bdesc_args) <__builtin_ia32_psll>: Update.

2011-10-28  Georg-Johann Lay  <>

	PR target/49313
	* config/avr/ (parityhi2): Expand allowing pseudos.
	(*parityhi2): New pre-reload insn-and-split to map 16-bit parity
	to the libgcc insn.
	(*parityqihi2): Same for 8-bit parity.

2011-10-28  Julian Brown  <>

	PR rtl-optimization/47918
	* reload1.c (set_initial_label_offsets): Use initial offsets
	for labels on the nonlocal_goto_handler_labels chain.

2011-10-28  Iain Sandoe  <>

	* config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA):
	Move darwin-fpsave.asm from here to ... LIB2FUNCS_EXTRA.
	(LIB2FUNCS_EXTRA):  Add darwin-gpsave.asm.
	(TARGET_LIBGCC2_CFLAGS): Ensure that fPIC and -pipe are inherited from
	* config/rs6000/darwin.h (FP_SAVE_INLINE): Adjust to enable.
	(GP_SAVE_INLINE): Likewise.
	RESTORE_FP_SUFFIX): Set to empty strings.
	* config/rs6000/rs6000.c (rs6000_savres_strategy): Implement for Darwin.
	(debug_stack_info): Print savres_strategy.
	(rs6000_savres_routine_name): Implement for Darwin.
	(rs6000_make_savres_rtx): Adjust used register for Darwin.
	(rs6000_emit_prologue): Implement out-of-line saves for Darwin.
	(rs6000_output_function_prologue): Don't emit .extern for Mach-O.
	(rs6000_emit_epilogue): Implement out-of-line saves for Darwin.
	* config/rs6000/darwin-gpsave.asm: New file.

2011-10-28  Jakub Jelinek  <>

	* config/i386/ (VI4SD_AVX2): Removed.
	(VI48_AVX2, VI128_128, VI48_128, VI48_256): New mode iterators.
	(vashl<mode>3): Use VI12_128 iterator instead of VI124_128.
	Add another expander using VI48_128 iterator for
	TARGET_AVX2 || TARGET_XOP and another using VI48_256 iterator
	(vlshr<mode>3): Likewise.  Change register_operand predicate to
	nonimmediate_operand on last operand in the VI12_128 expander.
	(vashr<mode>3): Use VI128_128 iterator instead of VI124_128.
	(vashrv4si3, vashrv8si3): New expanders.
	(avx2_ashrvv8si, avx2_ashrvv4si, avx2_<lshift>vv8si,
	avx2_<lshift>vv2di): Removed.
	(avx2_ashrv<mode>): New insn with VI4_AVX2 iterator.
	(avx2_<lshift>v<mode>): Macroize using VI48_AVX2
	iterator.  Simplify pattern.

2010-10-28  Richard Guenther  <>

	PR driver/50876
	* lto-wrapper.c (get_options_from_collect_gcc_options):
	Properly count arguments.
	(run_gcc): Use an obstack to collect argv, properly separate
	switches and their arguments.

2011-10-28  Jakub Jelinek  <>

	* tree-vect-stmts.c (vectorizable_shift): Give up if op1 has different
	vector mode from vectype's mode.

2011-10-28  Chung-Lin Tang  <>

	PR rtl-optimization/49720
	* simplify-rtx.c (simplify_relational_operation_1): Detect
	infinite recursion condition in "(eq/ne (plus x cst1) cst2)
	simplifies to (eq/ne x (cst2 - cst1))" case.

2011-10-27  David S. Miller  <>

	* config/sparc/ (snedi_special): Only match when not VIS3.
	(*snedi_zero): Likewise.
	(*snedi_zero_trunc): Likewise.
	(snedi_special_vis3): New expander.
	(*snedi_zero_vis3): New insn.
	(*snedi_zero_trunc_vis3): Likewise.
	(*sltu_insn_vis3): Likewise.
	(*sltu_insn_vis3_trunc): Likewise.
	(addxc): Likewise.
	(*addxc_trunc_sp64_vis3): Likewise.
	* config/sparc/sparc.c (emit_scc_insn): When VIS3 use the
	gen_snedi_special_vis3 expander, and try GTU/LTU addx based
	sequences on DImode values.

	* config/sparc/ (64-bit vector moves): Use 'e' not 'f'

	* regcprop.c (copyprop_hardreg_forward_1): Reject the
	transformation when we narrow the mode on big endian.

2011-10-27  Jakub Jelinek  <>

	* config/i386/ (avx_cvtpd2dq256_2, avx_cvttpd2dq256_2,
	vec_pack_sfix_trunc_v4df, vec_pack_sfix_v4df): New expanders.
	(*avx_cvtpd2dq256_2, *avx_cvttpd2dq256_2): New insns.

	* config/i386/i386.c (ix86_print_operand): Handle 'q' and 'x'
	overrides for -masm=intel memory.
	* config/i386/ (sse2_cvtdq2pd, sse2_cvtps2pd,
	sse4_1_<code>v8qiv8hi2, avx2_<code>v8qiv8si2,
	sse4_1_<code>v4hiv4si2, avx2_<code>v4hiv4di2,
	sse4_1_<code>v2siv2di2): Use %q1 instead of %1 for -masm=intel.
	(sse4_1_<code>v4qiv4si2, avx2_<code>v4qiv4di2,
	sse4_1_<code>v2hiv2di2): Use %k1 instead of %1 for -masm=intel.
	(sse4_1_<code>v2qiv2di2): Use %w1 instead of %1 for -masm=intel.

2011-10-27  Martin Jambor  <>

	* ipa-prop.c (compute_pass_through_member_ptrs): Rename parm_info
	to parm_ainfo.
	(ipa_compute_jump_functions_for_edge): Likewise.
	(ipa_compute_jump_functions): Likewise.
	(ipa_analyze_indirect_call_uses): Likewise.
	(ipa_analyze_call_uses): Likewise.
	(ipa_analyze_params_uses): Likewise.
	(ipa_analyze_node): Likewise.

2011-10-27  Uros Bizjak  <>

	PR target/50875
	* config/i386/ (*avx_unpcklpd256): Remove extra insn
	constraints.  Change alternative 1 to "x,m,1".

2011-10-27  Jakub Jelinek  <>

	* (build/gencheck.o): Depend on tree.def and

	* tree-ssa-strlen.c: Include expr.h.
	(get_stridx): Don't use c_strlen, instead use string_constant
	and compute string length from it.
	* (tree-ssa-strlen.o): Depend on $(EXPR_H).

2011-10-27  Eric Botcazou  <>

	PR rtl-optimization/46603
	PR bootstrap/50879
	* reload.c (push_reload): In the out case, restore previous behavior
	for subregs that don't have word mode.

2011-10-27  Ian Lance Taylor  <>

	* cppdefault.c: Undef NATIVE_SYSTEM_HEADER_DIR if
	(cpp_include_defaults): Only use NATIVE_SYSTEM_HEADER_DIR if it is

2011-10-27  Richard Henderson  <>

	* optabs.c (expand_vec_perm): Use the correct mode for scaling the
	selector.  Save the qimode constant selector for later use by the
	qimode vec_perm pattern.

2011-10-27  Bernd Schmidt  <>

	* config/c6x/c6x.c (unit_req_imbalance, res_mii): Cast the first arg
	to unit_req_factor to the right enum type.
	(get_unit_operand_masks, reshuffle_units, try_rename_operands,
	hwloop_optimize): Remove unused variables.

2010-10-27  Richard Guenther  <>

	PR middle-end/50731
	* tree-vect-generic.c (do_binop): Handle scalar operands.

2011-08-27  Uros Bizjak  <>

	PR target/37191
	* config/i386/ (*vec_extract_v4sf_mem): Avoid combining registers
	from different units in a single alternative.

2011-10-26  David S. Miller  <>

	* config/sparc/sparc.c (emit_scc_insn): Force attempt of v9 sequences
	if we're comparing DImode and comparison is other than EQ or NE.

	* config/sparc/sparc.c (emit_scc_insn): Do not try v9 sequences until
	LEU/LTU/GEU/GTU is attempted.
	* config/sparc/ (*neg_snesi_sign_extend): New 64-bit insn
	and split.
	(*neg_seqsi_sign_extend): Likewise.
	(*sltu_extend_sp64, *neg_sltu_extend_sp64, *sgeu_extend_sp64,
	*neg_sgeu_extend_sp64): New insns.

	* config/sparc/sparc-protos.h (sparc_expand_conditional_move): Declare.
	* config/sparc/ (mov<I:mode>cc, mov<F:mode>cc): Call it.
	(*mov<I:mode>_cc_v9): Normalize to expect operand 0 always in operand 4.
	(*mov<I:mode>_cc_reg_sp64): Likewise.
	(*movsf_cc_v9): Likewise.
	(*movsf_cc_reg_sp64): Likewise.
	(*movdf_cc_v9): Likewise.
	(*movdf_cc_reg_sp64): Likewise.
	(*movtf_cc_hq_v9): Likewise.
	(*movtf_cc_reg_hq_sp64): Likewise.
	(*movtf_cc_v9): Likewise.
	(*movtf_cc_reg_sp64): Likewise.
	* config/sparc/sparc.c (sparc_expand_conditional_move): New function.
	(sparc_print_operand): Delete 'c' and 'd' handling, no longer used.

2011-10-26  Eric Botcazou  <>

	* reload.c (reload_inner_reg_of_subreg): Change type of return value
	and type of OUTPUT parameter to bool and adjust.  Document MODE and
	OUTPUT parameters.  Use HARD_REGISTER_P.  Reorder final condition
	and improve associated comment.
	(push_reload): Clarify and update comments about reloading of subregs.
	Adjust calls to reload_inner_reg_of_subreg.  Compute the class upfront
	for the reloading of subregs in the out case as well.

2011-10-26  Alexandre Oliva  <>

	PR debug/50826
	* var-tracking.c (rtx_debug_expr_p): New.
	(use_type): Don't use debug exprs to track non-VTA variables.

2011-10-26  Jeff Law  <>

	* doc/invoke.texi (sink-frequency-threshold): Document.
	* tree-ssa-sink.c: Include params.h.
	(select_best_block): New function.
	(statement_sink_location): Use it.

2011-10-26  Iain Sandoe  <>

	PR target/48108
	* config/darwin.c (top level): Amend comments concerning LTO output.
	(lto_section_num): New variable.  (darwin_lto_section_e): New GTY.
	(darwin_asm_named_section): Record LTO section counts and switches
	in a vec of darwin_lto_section_e.
	(darwin_file_start): Remove unused code.
	(darwin_file_end): Put an LTO section termination label.  Handle
	output of the wrapped LTO sections, index and names table.

2011-10-26  Alan Modra  <>

	* config/rs6000/rs6000.c (rs6000_make_savres_rtx): Delete unneeded
	(rs6000_emit_stack_reset): Only return insn emitted when it adjusts sp.
	(rs6000_make_savres_rtx): Rename to rs6000_emit_savres_rtx.  Use
	simple_return in pattern, emit instruction, and set jump_label.
	(rs6000_emit_prologue): Update for rs6000_emit_savres_rtx.  Use
	simple_return rather than return.
	(emit_cfa_restores): New function.
	(rs6000_emit_epilogue): Emit cfa_restores when flag_shrink_wrap.
	Add missing cfa_restores for SAVE_WORLD.  Add missing LR cfa_restore
	when using out-of-line gpr restore.  Add missing LR and FP regs
	cfa_restores for out-of-line fpr restore.  Consolidate code setting
	up cfa_restores.  Formatting.  Use LR_REGNO define.
	(rs6000_output_mi_thunk): Use simple_return rather than return.
	* config/rs6000/ (sibcall*, sibcall_value*): Likewise.
	(return_internal*): Likewise.
	(any_return, return_pred, return_str): New iterators.
	(return, conditional return insns): Provide both return and
	simple_return variants.
	* config/rs6000/rs6000.h (EARLY_R12, LATE_R12): Define.
	(REG_ALLOC_ORDER): Move r12 before call-saved regs when FIXED_R13.
	Move r11 and r0 later to suit shrink-wrapping.

2011-10-26  Richard Guenther  <>

	* lto-wrapper.c (run_gcc): Properly init/free obstack.

2011-10-26  Jakub Jelinek  <>

	* config/i386/ (UNSPEC_VSIBADDR): New.
	* config/i386/ (vsib_address_operand,
	vsib_mem_operator): New predicates.
	* config/i386/i386.c (ix86_print_operand_address): Handle
	* config/i386/ (avx2_gathersi<mode>, avx2_gatherdi<mode>,
	avx2_gatherdi<mode>256): Adjust expanders to use MEM with
	(*avx2_gathersi<mode>, *avx2_gatherdi<mode>, *avx2_gatherdi<mode>256):
	Adjust insns to use MEM with UNSPEC_VSIBADDR address.

2011-10-26  Tom de Vries  <>

	PR tree-optimization/50763
	* tree-ssa-tail-merge.c (replace_block_by): Update vops if phi_vuse1 or
	phi_vuse2 is NULL_TREE only if bb1 dominates or is dominated by bb2.

2011-10-26  Richard Guenther  <>

	PR lto/41844
	* (lto-wrapper): Depend on and link against opts-common.o.
	(lto-wrapper.o): Depend on $(OPTS_H) and $(OPTIONS_H).
	* lto-wrapper.c (get_options_from_collect_gcc_options): New function.
	(run_gcc): Use it.  Filter out language specific options.

2011-10-26  Andreas Tobler  <>

	* config/i386/freebsd64.h (LINK_SPEC): Emit the same warning as the
	32-bit target does.

2011-10-25  Paolo Carlini  <>

	PR driver/46617
	* gcc.c (main): Fix fatal_error string for translation.

2011-10-25  Ian Lance Taylor  <>

	* tree-eh.c (do_return_redirection): Remove return_value_p
	parameter.  Change all callers.
	(lower_try_finally_nofallthru): Remove local return_val.
	(lower_try_finally_onedest): Likewise.
	(lower_try_finally_copy): Likewise.
	(lower_try_finally_switch): Likewise.

2011-10-25  H.J. Lu  <>

	* config/i386/ (*mmx_maskmovq): Replace :SI with :P and
	remove "&& !TARGET_64BIT"
	(*mmx_maskmovq_rex): Removed.

2011-10-25  Eric Botcazou  <>

	PR rtl-optimization/46603
	* reload.c (push_reload): In the out case, reload the subreg as well
	as the reg if it has word mode.

2011-10-25  Eric Botcazou  <>

	* dwarf2out.c (add_gnat_descriptive_type_attribute): Temporarily
	suppress debug info for the parent type.

2011-10-25  Eric Botcazou  <>

	* config/ia64/ia64.c (ia64_profile_hook): Fix thinko.

2011-10-25  Richard Henderson  <>

	* config/i386/ (VEC_EXTRACT_EVENODD_MODE): Remove.
	(vec_extract_even<mode>, vec_extract_odd<mode>): Remove.

	* config/rs6000/ (vec_extract_evenv8hi,
	vec_extract_evenv16qi, vec_extract_oddv4si,
	vec_extract_oddv4sf): Remove.

	* config/spu/ (vec_extract_evenv4si, vec_extract_evenv4sf,
	vec_extract_evenv8hi, vec_extract_evenv16qi, vec_extract_oddv4si,
	vec_extract_oddv4sf, vec_extract_oddv8hi, vec_extract_oddv16qi,
	vec_interleave_highv4sf, vec_interleave_lowv4sf,
	vec_interleave_highv4si, vec_interleave_lowv4si,
	vec_interleave_highv8hi, vec_interleave_lowv8hi,
	vec_interleave_highv16qi, vec_interleave_lowv16qi): Remove.

	* expr.c (expand_expr_real_2) [VEC_EXTRACT_EVEN_EXPR]: Use binop.
	* optabs.c (expand_binop): Implement vec_interleave_high_optab,
	vec_interleave_low_optab, vec_extract_even_optab,
	vec_extract_odd_optab with expand_vec_perm.
	(can_vec_perm_for_code_p): New.
	* optabs.h: Update.
	* tree-vect-data-refs.c (vect_strided_store_supported): Allow for
	fallback via can_vec_perm_for_code_p.
	(vect_strided_load_supported): Likewise.
	* tree-vect-generic.c (expand_vector_operations_1): Never lower

	* target.def (vec_perm_const_ok): Change parameters to mode and
	array of indicies.
	* doc/tm.texi: Rebuild.
	* config/i386/i386.c (ix86_vectorize_vec_perm_const_ok): Change
	parameters to mode and array of indicies.
	* expr.c (expand_expr_real_2) [VEC_PERM_EXPR]: Expand operands here.
	* optabs.c (can_vec_perm_p): Rename from can_vec_perm_expr_p.
	Change parameters to mode and array of indicies.
	(expand_vec_perm_1): Rename from expand_vec_perm_expr_1.
	(expand_vec_perm): Rename from expand_vec_perm_expr.  Change
	parameters to mode and rtx inputs.  Try lowering to QImode
	vec_perm_const before trying fully variable permutation.
	* optabs.h: Update decls.
	* tree-vect-generic.c (lower_vec_perm): Extract array of indices from
	VECTOR_CST to pass to can_vec_perm_p.
	* tree-vect-slp.c (vect_get_mask_element): Change mask parameter type
	from int pointer to unsigned char pointer.
	(vect_transform_slp_perm_load): Update for change to can_vec_perm_p.
	* tree-vect-stmts.c (perm_mask_for_reverse): Likewise.

	* tree.def (VEC_EXTRACT_EVEN_EXPR): Fix typo in text name.

2011-10-25  Mike Stump  <>

	* reload.c (regno_clobbered_p): Fix typo.

2011-10-25  Dodji Seketeli  <>

	* input.c (expand_location): Rewrite using linemap_resolve_location
	and linemap_expand_location.  Add a comment.

2011-10-25  Jakub Jelinek  <>

	PR tree-optimization/50596
	* tree-vect-stmts.c (vect_mark_relevant): Only use
	(vectorizable_store): If is_pattern_stmt_p look through
	* tree-vect-patterns.c (check_bool_pattern, adjust_bool_pattern):
	Use unsigned type instead of signed.
	(vect_recog_bool_pattern): Optimize also stores into bool memory in
	addition to casts from bool to integral types.
	(vect_mark_pattern_stmts): If pattern_stmt already has vinfo
	created, don't create it again.

2011-10-25  Kai Tietz  <>

	* config/i386/i386.c (ix86_frame_pointer_required): Require
	frame-pointer, if setjmp is used for 32-bit ms-abi.

2011-10-24  Michael Meissner  <>

	* builtins.c (set_builtin_user_assembler_name): Remove extra
	newline added in October 11th, 2011 change.

2011-10-24  David S. Miller  <>

	* config/sparc/little-endian.opt: Delete.
	* config.gcc: Remove references to config/sparc/little-endian.opt
	* doc/invoke.texi: Remove documentation of -mlittl-endian on sparc.
	* config/sparc/linux64.h: Delete references to -mlittle-endian.
	* config/sparc/netbsd-elf.h: Likewise.
	* config/sparc/openbsd64.h: Likewise.
	* config/sparc/sparc.h: Likewise.
	* config/sparc/sp64-elf.h: Likewise and delete overrides for
	* config/sparc/sparc.c (dump_target_flag_bits): Remove reference
	* config/sparc/sparc.opt (Mask(LITTLE_ENDIAN)): Delete.

	* config/sparc/ Only use F, G, and C constraints in FP insns.
	Only use D, Y, and Z constraints in vector insns.

	* config/sparc/ (cpu_feature, enabled): New attributes.
	(*movsi_insn_novis3, *movsi_insn_vis3): Consolidate into one pattern
	called *movsi_insn.
	(*movdi_insn_sp32_v9_novis3, *movdi_insn_sp32_v9_vis3): Consolidate
	into *movdi_insn_sp32.
	(*movdi_insn_sp64_novis3, *movdi_insn_sp64_vis3): Consolidate into
	one pattern called *movdi_insn_sp64.
	(*movsf_insn_novis3, *movsf_insn_vis3, *movsf_insn_no_fpu):
	Consolidate into one pattern called *movsf_insn.
	(*movdf_insn_sp32_no_fpu, *movdf_insn_sp32_v9_novis3,
	*movdf_insn_sp32_v9_vis3, *movdf_insn_sp32_v9_no_fpu): Consolidate
	into *movdf_insn_sp32.
	(*movdf_insn_sp64_novis3, *movdf_insn_sp64_vis3,
	*movdf_insn_sp64_no_fpu): Consolidate into one pattern called
	*zero_extendsidi2_insn_sp64_vis3): Consolidate into one pattern
	called *zero_extendsidi2_insn_sp64.
	(*sign_extendsidi2_insn_novis3, *sign_extendsidi2_insn_vis3):
	Consolidate into one pattern named *sign_extendsidi2_insn.
	(*mov<VM32:mode>_insn_novis3, *mov<VM32:mode>_insn_vis3):
	Consolidate into one pattern named *mov<VM32:mode>_insn.
	*mov<VM64:mode>_insn_sp64_novis3): Consolidate into one pattern
	named *mov<VM64:mode>_insn_sp64.
	*mov<VM64:mode>_insn_sp32_vis3): Consolidate into one pattern
	named *mov<VM64:mode>_insn_sp32.

2011-10-24  Andreas Krebbel  <>

	* tree-ssa-strlen.c (get_string_length): Change assertion to STPCPY.
	(zero_length_string): Change assertion to accept strinfo without
	length but with stmt instead.
	Set the endptr pointer also if starting a new chain.
	(adjust_related_strinfos): Ignore strinfos marked for delayed
	length computation.
	(handle_builtin_strcpy): Mark earlier strinfo elements also for
	delayed length computation.

2011-10-24  Georg-Johann Lay  <>

	PR target/50820
	Port from 4.6 branch r180379
	* doc/invoke.texi (AVR Options): New subsubsection to explain EIND
	handling and indirect jump/calls on devices > 128k.

2011-10-24  Anatoly Sokolov  <>
	    Georg-Johann Lay  <>

	PR target/49824
	* doc/extend.texi (Declaring Attributes of Functions):
	Document OS_main and OS_task attributes.
	(Specifying Attributes of Variables): Move up
	subsection "AVR Variable Attributes" as of alphabetical order.

2011-10-24  Richard Guenther  <>

	* tree-vect-stmts.c (vect_get_vec_def_for_operand): Convert constants
	to vector element type.
	(vectorizable_assignment): Bail out for non-mode-precision operations.
	(vectorizable_shift): Likewise.
	(vectorizable_operation): Likewise.
	(vectorizable_type_demotion): Likewise.
	(vectorizable_type_promotion): Likewise.
	(vectorizable_store): Handle non-mode-precision stores.
	(vectorizable_load): Handle non-mode-precision loads.
	(get_vectype_for_scalar_type_and_size): Return a vector type
	for non-mode-precision integers.
	* tree-vect-loop.c (vectorizable_reduction): Bail out for
	non-mode-precision reductions.

2011-10-24  Julian Brown  <>

	* config/m68k/m68k.c (notice_update_cc): Tighten condition for
	setting CC_REVERSED for FP comparisons.

2011-10-24  Richard Guenther  <>

	PR tree-optimization/50838
	* tree-data-ref.c (dr_analyze_indices): Properly canonicalize
	a MEM_REF base if we change it.

2011-10-24  Bernd Schmidt  <>

	PR bootstrap/50836
	* rtlanal.c: Swap includes of "hard-reg-set.h" and "rtl.h".

	PR rtl-optimization/50833
	* function.c (thread_prologue_and_epilogue_insns): Expect the
	return insn optimization only if optimize.

2011-10-24  Georg-Johann Lay  <>

	* config/avr/avr.c: Break long lines.
	Define target hooks on the fly if applicable.
	(TARGET_ASM_FUNCTION_RODATA_SECTION): Remove first definition
	overridden later.
	(targetm): Move definition to end of file.
	(avr_can_eliminate): Make static on the fly.
	(avr_frame_pointer_required_p): Ditto.
	(avr_hard_regno_scratch_ok): Ditto.
	(avr_builtin_setjmp_frame_value): Make static on the fly.
	Indent according to coding rules.
	(avr_case_values_threshold): Ditto.
	(avr_attribute_table): Move down.

2011-10-24  Ira Rosen  <>

	PR tree-optimization/50730
	* tree-vect-data-refs.c (vect_analyze_data_refs): Stop basic block
	analysis if encountered unsupported data-ref.

2011-10-23  David S. Miller  <>

	* config/sparc/sparc.c (sparc_option_override): Remove -mv8plus
	cpu adjustment.
	* config/sparc/linux64.h (CC1_SPEC): When defaulting to 64-bit,
	append -mcpu=v9 when -mv8plus is given.

	* config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED): We can move
	between float and non-float regs when VIS3.
	* config/sparc/sparc.c (eligible_for_restore_insn): We can't
	use a restore when the source is a float register.
	(sparc_split_regreg_legitimate): When VIS3 allow moves between
	float and integer regs.
	(sparc_register_move_cost): Adjust to account for VIS3 moves.
	(sparc_preferred_reload_class): On 32-bit with VIS3 when moving an
	integer reg to a class containing EXTRA_FP_REGS, constrain to FP_REGS.
	(sparc_secondary_reload): On 32-bit with VIS3 when moving between
	float and integer regs we sometimes need a FP_REGS class
	intermediate move to satisfy the reload.  When this happens
	specify an extra cost of 2.
	(*movsi_insn): Rename to have "_novis3" suffix and add !VIS3 guard.
	(*movdi_insn_sp32_v9): Likewise.
	(*movdi_insn_sp64): Likewise.
	(*movsf_insn): Likewise.
	(*movdf_insn_sp32_v9): Likewise.
	(*movdf_insn_sp64): Likewise.
	(*zero_extendsidi2_insn_sp64): Likewise.
	(*sign_extendsidi2_insn): Likewise.
	(*movsi_insn_vis3): New insn.
	(*movdi_insn_sp32_v9_vis3): New insn.
	(*movdi_insn_sp64_vis3): New insn.
	(*movsf_insn_vis3): New insn.
	(*movdf_insn_sp32_v9_vis3): New insn.
	(*movdf_insn_sp64_vis3): New insn.
	(*zero_extendsidi2_insn_sp64_vis3): New insn.
	(*sign_extendsidi2_insn_vis3): New insn.
	(TFmode reg/reg split): Make sure both REG operands are float.
	(*mov<VM32:mode>_insn): Add "_novis3" suffix and !VIS3 guard. Remove
	easy constant to integer reg alternatives.
	(*mov<VM64:mode>_insn_sp64): Likewise.
	(*mov<VM64:mode>_insn_sp32_novis3): Likewise.
	(*mov<VM32:mode>_insn_vis3): New insn.
	(*mov<VM64:mode>_insn_sp64_vis3): New insn.
	(*mov<VM64:mode>_insn_sp32_vis3): New insn.
	(VM64 reg<-->reg split): New splitter for 32-bit.

	* config/sparc/sparc.c (sparc_split_regreg_legitimate): New function.
	* config/sparc/sparc-protos.h (sparc_split_regreg_legitimate):
	Declare it.
	* config/sparc/ (DImode reg/reg split): Use it.
	(DFmode reg/reg split): Likewise.

	* config/sparc/ (*movdi_insn_sp32_v9): Add alternatives for
	generating fzero and fone instructions.
	(DImode const_int --> reg splitter): Only trigger for integer regs.

	* config/sparc/ (input_operand): Disallow vector
	constants other than 0 and -1.
	* config/sparc/sparc.c (sparc_preferred_reload_class): Return
	NO_REGS for vector constants other than 0 and -1.

	* config/sparc/sparc.h (SPARC_FIRST_INT_REG, SPARC_LAST_INT_REG,
	SPARC_INT_REG_P): Define.
	(REGNO_OK_FOR_INDEX_P): Likewise.
	* config/sparc/sparc.c (gen_df_reg): Likewise.
	(eligible_for_return_delay): Likewise.
	(eligible_for_sibcall_delay): Likewise.
	(sparc_legitimate_address_p): Likewise.
	(emit_save_or_restore_regs): Likewise.
	(registers_ok_for_ldd_peep): Likewise.
	* config/spac/ (DI mode splitters): Likewise.
	(SF mode const splitters): Likewise.
	(DF mode splitters): Likewise.
	(32-bit DI mode logical op splitters): Likewise.

2011-10-23  Paolo Carlini  <>

	PR c++/50841
	2011-10-23  Paolo Carlini  <>

	PR c++/50810
	* doc/invoke.texi ([-Wnarrowing], [-Wc++0x-compat]): Update.

2011-10-23  Uros Bizjak  <>

	* config/i386/ (avx2_lshl<mode>3): Remove insn pattern.
	(VI248_256): Remove mode iterator.
	* config/i386/i386.c (ix86_expand_vec_perm): Use gen_ashlv4di3
	instead of gen_avx2_lshlv4di3.
	(bdesc_args): Use CODE_FOR_ashl{v16hi,v8si,v4di}3 instead of

2011-10-23  Uros Bizjak  <>

	* config/i386/ (sseintprefix): Rename from gthrfirstp.
	(<avx_avx2>_maskload<ssemodesuffix><avxsizesuffix>): Delete expander.
	(<avx_avx2>_maskload<ssemodesuffix><avxsizesuffix>) Merge insn
	pattern from *avx2_maskload<ssemodesuffix><avxsizesuffix> and
	*avx_maskload<ssemodesuffix><avxsizesuffix> using V48_AVX mode
	iterator.  Use sseintprefix mode attribute.
	(<avx_avx2>_maskstore<ssemodesuffix><avxsizesuffix>): Delete expander.
	(<avx_avx2>_maskstore<ssemodesuffix><avxsizesuffix>) Merge insn
	pattern from *avx2_maskstore<ssemodesuffix><avxsizesuffix> and
	*avx_maskstore<ssemodesuffix><avxsizesuffix> using V48_AVX mode
	iterator.  Use sseintprefix mode attribute.
	(*avx2_gathersi<mode>) Use sseintprefix and ssemodesuffix mode
	(*avx2_gatherdi<mode>): Ditto.
	(*avx2_gatherdi<mode>256): Ditto.
	(VI48_AVX2): Remove mode iterator.
	(gthrlastfp): Remove mode attribute.

2011-10-23  Paolo Carlini  <>

	PR c++/50810
	* doc/invoke.texi ([-Wnarrowing], [-Wc++0x-compat]): Update.

2011-10-23  Tom de Vries  <>

	PR tree-optimization/50763
	* tree-ssa-tail-merge.c (same_succ_flush_bb): New function, factored
	out of ...
	(same_succ_flush_bbs): Use same_succ_flush_bb.
	(purge_bbs): Remove argument.  Remove calls to same_succ_flush_bbs,
	release_last_vdef and delete_basic_block.
	(unlink_virtual_phi): New function.
	(update_vuses): Add and use vuse1_phi_args argument.  Set var to
	SSA_NAME_VAR of vuse1 or vuse2, and use var.  Handle case that
	def_stmt2 is NULL.  Use phi result as phi arg in case vuse1 or vuse2
	is NULL_TREE.  Replace uses of vuse1 if vuse2 is NULL_TREE.  Fix code
	to limit replacement of uses.  Propagate phi argument for phis with a
	single argument.
	(replace_block_by): Update vops if phi_vuse1 or phi_vuse2 is NULL_TREE.
	Set vuse1_phi_args if vuse1 is a phi defined in bb1.  Add
	vuse1_phi_args as argument to call to update_vuses.  Call
	release_last_vdef, same_succ_flush_bb, delete_basic_block.  Update
	(tail_merge_optimize): Remove argument in call to purge_bbs.  Remove
	call to free_dominance_info.  Only call calculate_dominance_info once.

2011-10-23  Eric Botcazou  <>

	* fold-const.c (invert_tree_comparison): Always invert EQ_EXPR/NE_EXPR.

	PR tree-optimization/44683
	* tree-ssa-dom.c (record_edge_info): Record simple equivalences only if
	we can be sure that there are no signed zeros involved.

2011-10-23  Jan Hubicka  <>

	* ipa-inline.c (estimate_badness): Scale up and handle overflows.

2011-10-23  Uros Bizjak  <>

	PR target/50788
	* config/i386/ (<avx_avx2>_maskload<ssemodesuffix><avxsizesuffix>):
	Remove (match_dup 0).
	(*avx2_maskload<ssemodesuffix><avxsizesuffix>): New insn pattern.
	(*avx_maskload<ssemodesuffix><avxsizesuffix>): Ditto.
	(*avx2_maskstore<ssemodesuffix><avxsizesuffix>): Ditto.
	(*avx_maskstore<ssemodesuffix><avxsizesuffix>): Ditto.
	(*avx2_maskmov<ssemodesuffix><avxsizesuffix>): Remove insn pattern.
	(*avx_maskmov<ssemodesuffix><avxsizesuffix>): Ditto.

2011-10-23  Ira Rosen  <>

	PR tree-optimization/50819
	* tree-vectorizer.h (vect_analyze_data_ref_dependences): Remove
	the last argument.
	* tree-vect-loop.c (vect_analyze_loop_2): Update call to
	* tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Remove
	the last argument.  Check load-after-store dependence for unknown
	dependencies in basic blocks.
	(vect_analyze_data_ref_dependences): Update call to
	* tree-vect-patterns.c (vect_recog_widen_shift_pattern): Fix typo.
	* tree-vect-slp.c (vect_bb_vectorizable_with_dependencies): Remove.
	(vect_slp_analyze_bb_1): Update call to
	vect_analyze_data_ref_dependences.  Don't call

2011-10-22  David S. Miller  <>

	* config/sparc/sparc.h (SECONDARY_INPUT_RELOAD_CLASS,
	* config/sparc/sparc.c (TARGET_SECONDARY_RELOAD): Redefine.
	(sparc_secondary_reload): New function.

	* config/sparc/sparc.h (sparc_costs): Remove extern decl.
	(struct processor_costs): Move from here..
	* config/sparc/sparc.c (struct processor_costs): To here.
	(sparc_costs): Mark static.

	* config/sparc/sparc.c (short_branch, reg_unused_after): Delete.
	* config/sparc/sparc-protos.h (short_branch, reg_unused_after):
	Get rid of declarations.

2011-10-21  Paul Brook  <>

	* config/c6x/c6x.c (c6x_asm_emit_except_personality,
	c6x_asm_init_sections): New functions.

2011-10-21  Jakub Jelinek  <>

	PR target/50813
	* config/i386/i386.c (expand_vec_perm_even_odd_1): Handle
	V4DImode and V8SImode for !TARGET_AVX2.

2011-10-21  Bernd Schmidt  <>

	PR bootstrap/50825
	* sched-deps.c (add_dependence): If not doing predication, promote

2011-10-21  Georg-Johann Lay  <>

	* config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Pass address of X
	instead of X to avr_legitimize_reload_address.
	* config/avr/avr-protos.h (avr_legitimize_reload_address): Change
	first argument's type from rtx to rtx*.
	* config/avr/avr.c (avr_legitimize_reload_address): Ditto.
	Pass PX to push_reload instead of &X.  Change log messages for
	better distinction.

2011-10-21  Roland Stigge  <>

	PR translation/47064
	* params.def: Fix typo "compilatoin" -> "compilation".

2011-10-21  H.J. Lu  <>
	    Kirill Yukhin  <>

	PR target/50740
	* config/i386/driver-i386.c (host_detect_local_cpu): Do cpuid 7 only
	if max_level allows that.

2011-10-21  Bernd Schmidt  <>

	* reg-notes.def (DEP_CONTROL): New.
	* sched-ebb.c (add_deps_for_risky_insns): Add a REG_DEP_CONTROL when
	not doing speculation.
	* rtlanal.c (record_hard_reg_sets, find_all_hard_reg_sets,
	record_hard_reg_uses_1, record_hard_reg_uses): New functions.
	* function.c (record_hard_reg_sets, record_hard_reg_uses,
	record_hard_reg_uses_1): Remove; move to rtlanal.c.
	* lists.c (copy_INSN_LIST, concat_INSN_LIST): New functions.
	* haifa-sched.c: Swap includes of "rtl.h" and "hard-reg-set.h".
	(real_insn_for_shadow): New function.
	(cond_clobbered_p, recompute_todo_spec, check_clobbered_conditions,
	toggle_cancelled_flags): New static functions.
	(schedule_insn): Relax an assert to only check for empty hard back
	dependencies.  Skip cancelled dependencies.  Call
	(copy_insn_list): Remove function, renamed moved to lists.c.
	(save_backtrack_point): Use new spelling copy_INSN_LIST.
	(unschedule_insns_until): Ensure TODO_SPEC is reset properly.
	(restore_last_backtrack_point): Likewise.  Call toggle_cancelled_flags.
	(estimate_insn_tick): Ignore cancelled dependencies.
	(haifa_speculate_insn): Move declaration.
	(try_ready): Move code into recompute_todo_spec and call it.  Tweak
	some asserts.  Ensure predicated patterns are restored if necessary.
	Dump DEP_CONTROL flag.
	(haifa_change_pattern): Merge with sched_change_pattern.
	(sched_change_pattern): Remove function.
	* sched-deps.c (NON_FLUSH_JUMP_KIND, NON_FLUSH_JUMP): Remove.  All
	uses changed to simply not test NON_FLUSH_JUMP_P.
	(ds_to_dk, dk_to_ds, dump_dep, ds_to_dt, dump_ds, check_dep): Handle
	(dep_spec_p): If DO_PREDICATION, REG_DEP_CONTROL is speculative.
	(reg_pending_control_uses, control_dependency_cache): New static
	(sched_get_reverse_condition_uncached): New function.
	(sd_find_dep_between): Remove pointless assert.  Look in
	(ask_dependency_caches, set_dependency_caches, sd_delete_dep,
	extend_dependency_caches, sched_deps_finish): Handle REG_DEP_CONTROL
	and control_dependency_cache.
	(sd_unresolve_dep): Use dep_spec_p.
	(add_dependence): Now a wrapper around add_dependence_1, handling
	REG_DEP_CONTROL specially.
	(flush_pending_lists): Clear pending_jump_insns.
	(sched_analyze_1): Handle pending_jump_insns like a memory flush.
	(sched_analyze_2): Unconditionally add to pending memory flushes,
	keep previous behaviour but apply it to pending_jump_insns instead.
	(sched_analyze_insn): Defer adding jump reg dependencies using
	reg_pending_control_uses; add them to the control_uses list.  Handle
	pending_jump_insns and control_uses when adding dependence lists.
	(deps_analyze_insn): Update INSN_COND_DEPS.
	(deps_analyze_insn): Add jumps to pending_jump_insns rather than
	(init_deps): Initialize pending_jump_insns.
	(free_deps): Free control_uses.
	(remove_from_deps): Remove from pending_jump_insns.
	(init_deps_global): Allocate reg_pending_control_uses).
	(finish_deps_global): Free it.
	(add_dependence_1): Renamed from add_dependence.  Handle
	* rtl.h (record_hard_reg_uses, find_all_hard_reg_sets): Declare.
	(copy_INSN_LIST, concat_INSN_LIST): Declare.
	* sched-int.h (struct deps_reg): Add control_uses.
	(struct deps_desc): Add pending_jump_insns.
	(struct _haifa_deps_insn_data): Add cond_deps.
	(struct _haifa_insn_data): Add must_recompute_spec and predicated_pat.
	(BITS_PER_DEP_WEAK): Adjust for two extra bits in the word.
	(DEP_CONTROL): New macro.
	(DEP_TYPES): Include it.
	(HARD_DEP): Adjust definition.
	(DEP_CANCELLED): New macro.
	(sched_get_reverse_condition_uncached, real_insn_for_shadow): Declare.
	* sched-rgn.c (concat_INSN_LIST): Remove function.
	(deps_join): Handle pending_jump_insns.
	(free_pending_lists): Likewise.
	* config/c6x/c6x.c (c6x_set_sched_flags): Set DO_PREDICATION for final

2011-10-21  Georg-Johann Lay  <>

	PR target/50820
	* config/avr/libgcc.S (__EIND__): New define to 0x3C.
	(__tablejump__): Consistently use EIND for indirect jump/call.
	(__tablejump_elpm__): Ditto.

2011-10-21  Bernd Schmidt  <>

	* config/c6x/ (attr "op_pattern"): New.
	(load_sdata_pic, mov<mode>_insn for QIHIM and SISFVM): Set it.
	* config/c6x/ (mulhi3_VARIANT_, mulhisi3_insn_VARIANT_):
	* config/c6x/ Regenerate.
	* config/c6x/c6x.c: Include "regrename.h".
	(unit_req_table): New typedef.
	(unit_reqs): Use it for the declaration.
	(unit_req_factor, get_unit_reqs, merge_unit_reqs, unit_req_imbalance,
	get_unit_operand_masks, try_rename_operands, reshuffle_units): New
	static functions.
	(count_unit_reqs): New arg reqs.  All callers changed.  Use
	get_unit_reqs, and don't merge here.
	(res_mii): New arg reqs.  All callers changed.  Rewrite to use a loop
	using unit_req_factor.
	(hwloop_optimize): Call reshuffle_units.  Call merge_unit_reqs after
	(c6x_reorg): Add reg notes problem, and call df_analyze.
	* ($(out_object_file)): Depend on regrename.h.

2011-10-21  Kai Tietz  <>

	* fold-const.c (simple_operand_p_2): Handle integral
	casts from boolean-operands.

2011-10-21  Jan Hubicka  <>

	* cgraph.c (dump_cgraph_node): Dump alias flag.
	* cgraphunit.c (handle_alias_pairs): Handle weakrefs with
	no destination.
	(get_alias_symbol): New function.
	(output_weakrefs): Output also weakrefs with no destinatoin.
	(lto_output_node): Output weakref alias flag when at function boundary.

2011-10-21  Andrew Stubbs  <>

	PR target/50809
	* config/arm/driver-arm.c (vendors): Make static.

2011-10-21  Uros Bizjak  <>

	* config/i386/i386.c (ix86_emit_swdivsf): Force b into register.
	(ix86_emit_swsqrtsf): Force a into register.

2011-10-20  Mike Stump  <>

	* regcprop.c (copyprop_hardreg_forward_1): Update recog_data
	after validate_change wipes it out.

2011-10-20  Ulrich Weigand  <>

	* config/spu/ ("vec_permv16qi"): Reduce selector modulo 32
	before using the shufb instruction.

2011-10-20  Kirill Yukhin  <>

	PR target/50766
	* config/i386/ (bmi_bextr_<mode>): Update register/
	memory operand order.
	(bmi2_bzhi_<mode>3): Ditto.
	(bmi2_pdep_<mode>3): Ditto.
	(bmi2_pext_<mode>3): Ditto.

2011-10-20  Richard Henderson  <>

	* target.def (vec_perm_const_ok): Rename from builtin_vec_perm_ok.
	* optabs.c (can_vec_perm_expr_p): Update to match.
	(expand_vec_perm_expr): Likewise.
	* config/i386/i386.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Rename
	* doc/ Likewise.

2011-10-20  Sergey Ostanevich  <>

	PR target/50572
	* config/i386/i386.c (processor_target_table): Change Atom
	align_loops_max_skip to 15.

2011-10-20  Richard Henderson  <>

	* target.def (builtin_vec_perm): Remove.

	* config/i386/i386.c (ix86_expand_vec_perm_builtin): Remove.
	(IX86_BUILTIN_VEC_PERM_*): Remove.
	(bdesc_args): Remove vec_perm builtins
	(ix86_expand_builtin): Likewise.
	(ix86_expand_vec_perm_const_1): Rename from
	(extract_vec_perm_cst): Merge into...
	(ix86_vectorize_vec_perm_const_ok): ... here.  Rename from

	* config/rs6000/rs6000.c (rs6000_builtin_vec_perm): Remove.

	* config/spu/spu.c (spu_builtin_vec_perm): Remove.

2011-10-20  Uros Bizjak  <>

	PR target/47989
	* config/i386/i386.h (RECIP_MASK_DEFAULT): New define.
	* config/i386/i386.op (recip_mask): Initialize with RECIP_MASK_DEFAULT.
	* doc/invoke.texi (ix86 Options, -mrecip): Document that GCC
	implements vectorized single float division and vectorized sqrtf(x)
	with reciprocal sequence with additional Newton-Raphson step with

2011-10-20  Dodji Seketeli  <>

	* ggc-zone.c (ggc_internal_alloc_zone_stat): Rename
	ggc_alloced_size_order_for_request into ggc_round_alloc_size like
	it was done in ggc-page.c.

	PR other/50659
	* doc/cppopts.texi: Use @smallexample/@end smallexample in
	documentation for -fdebug-cpp instead of @quotation/@end quotation
	that is not supported by contrib/

2011-10-19  Jan Hubicka  <>

	* ipa-inline.c (inline_small_functions): Always update all calles after

2011-10-19  Jan Hubicka  <>

	PR bootstrap/50709
	* ipa-inline.c (inline_small_functions): Fix checking code to not make
	effect on fibheap stability.

2011-10-20  Maxim Kuvyrkov  <>

	* config/m68k/t-linux (M68K_MLIB_CPU): Add ColdFire CPUs.

2011-10-20  Ramana Radhakrishnan  <>

	PR target/50106
	* config/arm/arm.c (thumb_unexpanded_epilogue): Handle return
	reg size from 1-3.

2011-10-20  Richard Guenther  <>

	* tree-ssa-loop-im.c (stmt_cost): Add WIDEN_*, FMA_EXPR
	and rotates to the set of expensive operations.

2011-10-19  David S. Miller  <>

	* config/sparc/sparc.c (sparc_expand_move): Use can_create_pseudo_p.
	(sparc_emit_set_const32): Likewise.
	(sparc_emit_set_const64_longway): Likewise.
	(sparc_emit_set_const64): Likewise.
	(sparc_legitimize_pic_address): Likewise.
	(memory_ok_for_ldd): Likewise.

2011-10-20  Dehao Chen  <>

	* profile.c (compute_branch_probabilities): Compute and dump the
	overlap between the static estimation and the instrumentation profile.
	(OVERLAP_BASE): New macro.
	(compute_frequency_overlap): New function

2011-10-19  Jakub Jelinek  <>

	* config/i386/i386.c (expand_vec_perm_vpshufb2_vpermq_even_odd): Use
	d->op1 instead of d->op0 for the second vpshufb.
	(expand_vec_perm_even_odd_1): For V8SImode fix vpshufd immediates.
	(ix86_expand_vec_perm_const): If mask indicates two operands are
	needed, but both are the same and expanding them as d.op0 == d.op1
	failed, retry with d.op0 != d.op1.
	(ix86_expand_vec_perm_builtin): Likewise.  Handle sorry printing
	also for d.nelt == 32.

	PR middle-end/50754
	* cfgexpand.c (expand_debug_expr): Handle WIDEN_LSHIFT_EXPR, ignore

2011-10-19  Bernd Schmidt  <>

	* regrename.h: New file.
	* regrename.c: Include it.  Also include "emit-rtl.h".
	(struct du_head, struct du_chain, du_head_p DEF_VEC and
	DEF_VEC_ALLOC_P): Move to regrename.h.
	(do_replace): Remove declaration.
	(insn_rr): New variable.
	(cur_operand): New static variable.
	(regrename_chain_from_id): Renamed from chain_from_id and no longer
	static.  All callers changed.
	(record_operand_use): New static function.
	(scan_rtx_reg): Use it.
	(find_best_rename_reg): New function, broken out of rename_chains.
	(rename_chains): Use it.  Don't update chain regno and nregs here, ...
	(regrename_do_replace): ... do it here instead.  Renamed from
	do_replace, and no longer static.  All callers changed.
	(regrename_analyze): No longer static.  New arg bb_mask.
	All callers changed.  If bb_mask is nonzero, use it to limit the
	number of basic blocks we analyze.  If we failed to analyze a block,
	clear insn operand data.
	(record_out_operands): New arg insn_info.  Update cur_operand if it is
	(build_def_use): If insn_rr is nonnull, pass an insn_info to
	record_out_operands, and update cur_operand here as well.
	(regrename_init, regrename_finish): New functions.
	(regrename_optimize): Use them.
	* (regrename.o): Adjust dependencies.

2011-10-19  Tom de Vries  <>

	PR tree-optimization/50769
	* tree-ssa-tail-merge.c (replace_block_by): Calculate phi_vuse2
	unconditionally.  Handle case that phi_vuse2 is not an SSA_NAME.  Add
	dummy argument .MEM to phi when increasing number of arguments of phi by
	redirecting edges to the block with phi.

2011-10-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR bootstrap/50777
	* Save and restore CXXFLAGS around
	gcc_AC_CHECK_DECLS uses.
	Check for madvise() declaration with g++ if --enable-build-with-cxx.
	* configure: Regenerate.
	* Regenerate.
	* ggc-page.c (USING_MADVISE): Also check HAVE_DECL_MADVISE.

2011-10-19  Alexandre Oliva  <>

	PR debug/49310
	* var-tracking.c (loc_exp_dep, onepart_aux): New structs.
	(variable_part): Replace offset with union.
	(enum onepart_enum, onepart_enum_t): New.
	(variable_def): Drop cur_loc_changed, add onepart.
	(value_chain_def, const_value_chain): Remove.
	(VAR_PART_OFFSET, VAR_LOC_1PAUX): New macros, with checking.
	(value_chain_pool, value_chains): Remove.
	(dropped_values): New.
	(struct parm_reg): Only if HAVE_window_save.
	(vt_stack_adjustments): Don't record register arguments.
	(dv_as_rtx): New.
	(dv_onepart_p): Return a onepart_enum_t.
	(onepart_pool): New.
	(dv_pool): Remove.
	(dv_from_rtx): New.
	(variable_htab_free): Release onepart aux data.  Reset flags.
	(value_chain_htab_hash, value_chain_htab_eq): Remove.
	(unshare_variable): Use onepart field.  Propagate onepart aux
	data or offset.  Drop cur_loc_changed.
	(val_store): Cope with NULL insn.  Rephrase dump output.  Check
	for unsuitable locs.  Add FIXME on using cselib locs.
	(val_reset): Remove FIXME of unfounded concerns.
	(val_resolve): Check for unsuitable locs.  Add FIXME on using
	cselib locs.
	(variable_union): Use onepart field, adjust access to offset.
	(NO_LOC_P): New.
	(set_dv_changed): Clear NO_LOC_P when changed.
	(find_loc_in_1pdv): Use onepart field.
	(intersect_loc_chains): Likewise.
	(unsuitable_loc): New.
	(loc_cmp): Keep ENTRY_VALUEs at the end of the loc list.
	(add_value_chain, add_value_chains): Remove.
	(add_cselib_value_chains, remove_value_chain): Likewise.
	(remove_value_chains, remove_cselib_value_chains): Likewise.
	(canonicalize_loc_order_check): Use onepart.  Drop cur_loc_changed.
	(canonicalize_values_star, canonicalize_vars_star): Use onepart.
	(variable_merge_over_cur): Likewise.  Adjust access to offset.
	Drop cur_loc_changed.
	(variable_merge_over_src): Use onepart field.
	(remove_duplicate_values): Likewise.
	(variable_post_merge_new_vals): Likewise.
	(find_mem_expr_in_1pdv): Likewise.
	(dataflow_set_preserve_mem_locs): Likewise.  Drop cur_loc_changed
	and value chains.
	(dataflow_set_remove_mem_locs): Likewise.  Use VAR_LOC_FROM.
	(variable_different_p): Use onepart field.  Move onepart test out
	of the loop.
	(argument_reg_set): Drop.
	(add_uses, add_stores): Preserve but do not record in dynamic
	tables equivalences for ENTRY_VALUEs and CFA_based addresses.
	Avoid unsuitable address expressions.
	(EXPR_DEPTH): Unlimit.
	(prepare_call_arguments): Use DECL_RTL_IF_SET.
	(dump_var): Adjust access to offset.
	(variable_from_dropped, recover_dropped_1paux): New.
	(variable_was_changed): Drop cur_loc_changed.  Use onepart.
	Preserve onepart aux in empty_var.  Recover empty_var and onepart
	aux from dropped_values.
	(find_variable_location_part): Special-case onepart.  Adjust
	access to offset.
	(set_slot_part): Use onepart.  Drop cur_loc_changed.  Adjust
	access to offset.  Initialize onepaux.  Drop value chains.
	(delete_slot_part): Drop value chains.  Use VAR_LOC_FROM.
	(VEC (variable, heap), VEC (rtx, stack)): Define.
	(expand_loc_callback_data): Drop dummy, cur_loc_changed,
	ignore_cur_loc.  Add expanding, pending, depth.
	(loc_exp_dep_alloc, loc_exp_dep_clear): New.
	(loc_exp_dep_insert, loc_exp_dep_set): New.
	(notify_dependents_of_resolved_value): New.
	(update_depth, vt_expand_var_loc_chain): New.
	(vt_expand_loc_callback): Revamped.
	(resolve_expansions_pending_recursion): New.
	(vt_expand_loc): Use the new macros above.  Drop ignore_cur_loc
	parameter, adjust all callers.
	(vt_expand_loc_dummy): Drop.
	(vt_expand_1pvar): New.
	(emit_note_insn_var_location): Operate on non-debug decls only.
	Revamp multi-part cur_loc recomputation and one-part expansion.
	Drop cur_loc_changed.  Adjust access to offset.
	(VEC (variable, heap)): Drop.
	(changed_variables_stack, changed_values_stack): Drop.
	(check_changed_vars_0, check_changed_vars_1): Remove.
	(check_changed_vars_2, check_changed_vars_3): Remove.
	(values_to_stack, remove_value_from_changed_variables): New.
	(notify_dependents_of_changed_value, process_changed_values): New.
	(emit_notes_for_changes): Revamp onepart updates.
	(emit_notes_for_differences_1): Use onepart.  Drop cur_loc_changed
	and value chains.  Propagate onepaux.  Recover empty_var and onepaux
	from dropped_values.
	(emit_notes_for_differences_2): Drop value chains.
	(emit_notes_in_bb): Adjust.
	(vt_emit_notes): Drop value chains, changed_variables_stack.
	Initialize and release dropped_values.
	(create_entry_value): Revamp.
	(vt_add_function_parameter): Use new interface.
	(note_register_arguments): Remove.
	(vt_initialize): Drop value chains and register arguments.
	(vt_finalize): Drop value chains.  Release windowed_parm_regs only
	if HAVE_window_save.
	* rtl.h: Document various pass-local uses of RTL flags.
	* tree.h (DECL_RTL_KNOWN_SET): New.
	* doc/invoke.texi (param max-vartrack-expr-depth): Update
	description and default.

2011-10-19  Georg-Johann Lay  <>

	PR target/50447
	* config/avr/ (cc): New alternative out_plus_noclobber.
	(adjust_len): Ditto.
	(addhi3): Don't pipe through short; use gen_int_mode instead.
	Prior to reload, expand to gen_addhi3_clobber.
	(*addhi3): Use avr_out_plus_noclobber if applicable, use
	out_plus_noclobber in cc and adjust_len attribute.
	(addhi3_clobber): 2 new RTL peepholes.
	(addhi3_clobber): New insn.
	* config/avr/avr-protos.h: (avr_out_plus_noclobber): New prototype.
	* config/avr/avr.c (avr_out_plus_noclobber): New function.
	(notice_update_cc): Handle CC_OUT_PLUS_NOCLOBBER.
	(avr_out_plus_1): Tweak if only MSB is +/-1 and other bytes are 0.
	Set cc0 to set_zn for adiw on 16-bit values.
	(adjust_insn_length): Handle ADJUST_LEN_OUT_PLUS_NOCLOBBER.
	(expand_epilogue): No need to add 0 to frame_pointer_rtx.

2011-10-19  Richard Guenther  <>

	PR middle-end/50780
	* tree-ssa-forwprop.c (forward_propagate_into_cond): Verify
	the condition is properly gimple before using it.
	* tree-eh (stmt_could_throw_1_p): Properly extract the
	operation type from comparisons.

2011-10-19  Roland Stigge  <>

	PR translation/48638
	* plugin.c (add_new_plugin): Fix typo in fatal_error message.

2011-10-19  Roland Stigge  <>

	PR translation/49517
	* config/rx/rx.c (rx_print_operand): Fix typo in warning message.

2011-10-19  Richard Guenther  <>

	PR middle-end/50768
	* gimple-fold.c (gimplify_and_update_call_from_tree): Rewrite.

2011-10-19  Andrey Belevantsev  <>

	PR rtl-optimization/50340
	* sel-sched-ir.c (update_target_availability): LHS register
	availability is not known if the unavailable LHS of the other
	expression is a different register.

2011-10-19  Ulrich Weigand  <>

	PR target/50310
	* config/spu/spu.c (spu_emit_vector_compare): Support unordered
	floating-point comparisons.

2011-10-19  Jan Hubicka  <>

	* cgraphunit.c (handle_alias_pairs): Also handle wekref with
	destination declared.
	(output_weakrefs): New function.
	* varpool.c (varpool_create_variable_alias): Handle external aliases.

2011-10-19  Jakub Jelinek  <>

	* dwarf2out.c (loc_descriptor): For SUBREG pass SUBREG_REG's mode as
	second argument instead of mode.

2011-10-18  Jakub Jelinek  <>

	* config/i386/i386.c (ix86_expand_vec_perm): In merge_two use
	mode SUBREG of operands[0] as target.
	(valid_perm_using_mode_p): Don't ignore higher bits of d->perm.
	(expand_vec_pshufb): For V8SImode vmode emit avx2_permvarv8si.
	(expand_vec_perm_1): Handle identity and some broadcast
	(expand_vec_perm_interleave2): Handle also 32-byte modes, using
	vperm2[fi]128 or vpunpck[lh]* followed by single insn permutation.
	For d->testing_p return true earlier to avoid creating more GC
	(expand_vec_perm_vpermq_perm_1): New function.
	(expand_vec_perm_vpshufb2_vpermq): For d->testing_p return true
	earlier to avoid creating more GC garbage.  Fix handling of
	V16HImode.  Avoid some SUBREGs in SET_DEST.
	(expand_vec_perm_broadcast_1): Return false for 32-byte integer
	vector modes.
	(expand_vec_perm_vpshufb4_vpermq2): New function.
	(ix86_expand_vec_perm_builtin_1): Call expand_vec_perm_vpermq_perm_1
	and expand_vec_perm_vpshufb4_vpermq2.

2011-10-18  Andrew Stubbs  <>

	* config/arm/driver-arm.c (host_detect_local_cpu): Close the file
	before exiting.

2011-10-18  Andrew Stubbs  <>

	PR tree-optimization/50717
	* tree-ssa-math-opts.c (is_widening_mult_p): Remove the 'type'
	parameter.  Calculate 'type' from stmt.
	(convert_mult_to_widen): Update call the is_widening_mult_p.
	(convert_plusminus_to_widen): Likewise.

2011-10-18  Ulrich Weigand  <>

	* config/spu/spu.c (struct machine_function): New data structure.
	(spu_init_machine_status): New function.
	(spu_option_override): Install it.
	(get_pic_reg): Set and use cfun->machine->pic_reg.
	(spu_split_immediate): Do not set crtl->uses_pic_offset_table.
	(need_to_save_reg): Use cfun->machine->pic_reg instead of
	checking crtl->uses_pic_offset_table.
	(spu_expand_prologue): Likewise.

2011-10-18  Jakub Jelinek  <>

	PR tree-optimization/50735
	* function.c (gimplify_parameters): Use create_tmp_var instead of
	create_tmp_reg.  If parm is not TREE_ADDRESSABLE and type is complex
	or vector type, set DECL_GIMPLE_REG_P.

2011-10-18  Andrew Stubbs  <>

	* (arm*-*-linux*): Add driver-arm.o and x-arm.
	* config/arm/arm.opt: Add 'native' processor_type and
	arm_arch enum values.
	* config/arm/arm.h (host_detect_local_cpu): New prototype.
	(DRIVER_SELF_SPECS): New define.
	* config/arm/driver-arm.c: New file.
	* config/arm/x-arm: New file.
	* doc/invoke.texi (ARM Options): Document -mcpu=native,
	-mtune=native and -march=native.

2011-10-18  Alexander Monakov  <>

	PR rtl-optimization/50205
	* sel-sched.c (count_occurrences_1): Simplify on the assumption that
	p->x is a register.  Forbid substitution when the same register is
	found in a different mode.
	(count_occurrences_equiv): Assert that 'what' is a register.

2011-10-18  Richard Guenther  <>

	PR tree-optimization/50767
	* tree-ssa-pre.c (create_expression_by_pieces): Update the
	folded statement.

2011-10-18  Julian Brown  <>

	* config/arm/arm.c (arm_block_move_unaligned_straight)
	(arm_adjust_block_mem, arm_block_move_unaligned_loop)
	(arm_movmemqi_unaligned): New.
	(arm_gen_movmemqi): Support unaligned block copies.

2011-10-18  Ira Rosen  <>

	* doc/md.texi (vec_widen_ushiftl_hi, vec_widen_ushiftl_lo,
	vec_widen_sshiftl_hi, vec_widen_sshiftl_lo): Document.
	* tree-pretty-print.c (dump_generic_node): Handle WIDEN_LSHIFT_EXPR,
	(op_code_prio): Likewise.
	(op_symbol_code): Handle WIDEN_LSHIFT_EXPR.
	* optabs.c (optab_for_tree_code): Handle
	(init-optabs): Initialize optab codes for vec_widen_u/sshiftl_hi/lo.
	* optabs.h (enum optab_index): Add OTI_vec_widen_u/sshiftl_hi/lo.
	* genopinit.c (optabs): Initialize the new optabs.
	* expr.c (expand_expr_real_2): Handle
	* gimple-pretty-print.c (dump_binary_rhs): Likewise.
	* tree-vectorizer.h (NUM_PATTERNS): Increase to 8.
	* cfgexpand.c (expand_debug_expr): Handle new tree codes.
	* tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
	(vect_handle_widen_mult_by_const): Rename...
	(vect_handle_widen_op_by_const): this.  Handle shifts.
	Add a new argument, update documentation.
	(vect_recog_widen_mult_pattern): Assume that only second
	operand can be constant.  Update call to
	(vect_recog_over_widening_pattern): Fix typo.
	(vect_recog_widen_shift_pattern): New.
	* tree-vect-stmts.c (vectorizable_type_promotion): Handle
	widening shifts.
	(supportable_widening_operation): Likewise.
	* tree-inline.c (estimate_operator_cost): Handle new tree codes.
	* tree-vect-generic.c (expand_vector_operations_1): Likewise.
	* tree-cfg.c (verify_gimple_assign_binary): Likewise.
	* config/arm/ (neon_vec_<US>shiftl_<mode>): New.
	(vec_widen_<US>shiftl_lo_<mode>, neon_vec_<US>shiftl_hi_<mode>,
	vec_widen_<US>shiftl_hi_<mode>, neon_vec_<US>shift_left_<mode>):
	* config/arm/ (const_neon_scalar_shift_amount_operand):
	* config/arm/ (V_innermode): New.
	* tree-vect-slp.c (vect_build_slp_tree): Require same shift operand
	for widening shift.

2011-10-18  Richard Guenther  <>

	* tree-ssa-alias.h (struct pt_solution): Remove
	vars_contains_restrict member.
	(pt_solutions_same_restrict_base): Remove.
	(pt_solution_set): Adjust.
	* tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Remove
	vars_contains_restrict handling.
	(dump_points_to_solution): Likewise.
	(ptr_derefs_may_alias_p): Do not call pt_solutions_same_restrict_base.
	* tree-ssa-structalias.c (struct variable_info): Remove is_restrict_var
	(new_var_info): Do not initialize it.
	(ipa_escaped_pt): Adjust.
	(make_constraint_from_restrict): Make the tag global.
	(make_constraint_from_global_restrict): New function.
	(make_constraint_from_heapvar): Remove.
	(create_variable_info_for): Do not make restrict vars point
	(intra_create_variable_infos): Likewise.
	(find_what_var_points_to): Remove vars_contains_restrict handling.
	(pt_solution_set): Adjust.
	(pt_solution_ior_into): Likewise.
	(pt_solutions_same_restrict_base): Remove.
	(compute_points_to_sets): Do not test is_restrict_var.
	* cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
	* gimple-pretty-print.c (pp_points_to_solution): Likewise.

2011-10-18  Tom de Vries  <>

	PR tree-optimization/50672
	* tree-ssa-dce.c (mark_virtual_operand_for_renaming): New function,
	factored out of ...
	(mark_virtual_phi_result_for_renaming): Use
	* tree-flow.h (mark_virtual_operand_for_renaming): Declare.
	* tree-ssa-tail-merge.c (release_last_vdef): New function.
	(purge_bbs): Add update_vops parameter.  Call release_last_vdef for each
	deleted basic block.
	(tail_merge_optimize): Add argument to call to purge_bbs.

2011-10-18  Richard Guenther  <>

	PR middle-end/50716
	* expr.c (get_object_or_type_alignment): New function.
	(expand_assignment): Use it.
	(expand_expr_real_1): Likewise.

2011-10-18  Dodji Seketeli  <>

	PR bootstrap/50760
	* input.c (dump_line_table_statistics): Use long, not size_t.

2011-10-17  Eric Botcazou  <>

	* config/sparc/ (in_call_delay): Fix formatting issues.

2011-10-17  Simon Baldwin  <>
	    Ian Lance Taylor  <>

	* Add --with-native-system-header-dir.  Set and
	substitute NATIVE_SYSTEM_HEADER_DIR.  Use native_system_header
	when setting target_header_dir.
	* config.gcc: Always set native_system_header_dir.
	(*-*-gnu*): Set native_system_header_dir.  Don't use t-gnu.
	(i[34567]86-pc-msdosdjgpp*): Set native_system_header_dir.  Don't
	use i386/t-djgpp.
	(i[34567]86-*-mingw* | x86_64-*-mingw*): Set
	(spu-*-elf*): Set native_system_header_dir.
	* cppdefault.c (STANDARD_INCLUDE_DIR): Don't define.
	(cpp_include_defaults): Don't use SYSTEM_INCLUDE_DIR.  Rename
	* config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Remove.
	* config/i386/t-mingw-w32: Likewise.
	* config/i386/t-mingw-w64: Likewise.
	* config/spu/t-spu-elf: Likewise.
	* config/i386/t-djgpp: Remove.
	* config/t-gnu: Remove.
	* config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Don't define.
	* config/i386/djgpp.h (STANDARD_INCLUDE_DIR): Don't define.
	* config/spu/spu-elf.h: Likewise.
	* config/vms/xm-vms.h: Likewise.
	* config/gnu.h: Likewise.
	* doc/install.texi (Configuration): Document
	--with-native-system-header-dir.  Mention it in the documentation
	for --with-sysroot and --with-build-sysroot.
	* doc/ (Driver): Don't document SYSTEM_INCLUDE_DIR or
	* doc/fragments.texi (Target Fragment): Don't document
	* configure, doc/tm.texi: Rebuild.

2011-10-17  Richard Henderson  <>

	* config/sparc/ Use register_or_zero_operand where rJ
	is the constraint.

	* config/sparc/ (vec_perm_constv8qi, vec_perm<mode>): New
	* config/sparc/sparc.c (sparc_expand_vec_perm_bmask): New function.
	* config/sparc/sparc-protos.h (sparc_expand_vec_perm_bmask): Declare.

2011-10-17  David S. Miller  <>

	* config/sparc/sparc-modes.def: Add single entry vector modes for
	DImode and SImode.
	* config/sparc/ (V32, V32I, V64, V64I, V64N8): Delete
	mode iterators.
	(mov<V32:mode>): Revert back to plain SFmode pattern.
	(*movsf_insn): Likewise.
	(mov<V64:mode>): Revert back to plain DFmode pattern.
	(*movdf_insn_sp32): Likewise.
	(*movdf_insn_sp32_v9): Likewise.
	(*movdf_insn_sp64): Likewise.
	(V64 mode splitters) Likewise.
	(addsi3): Remove VIS alternatives.
	(subsi3): Likewise.
	(and<V64I:mode>3): Revert to DImode only pattern.
	(and<V64I:mode>3_sp32): Likewise.
	(*and<V64I:mode>3_sp64): Likewise.
	(and<V32I:mode>3): Likewise.
	(*and_not_<V64I:mode>_sp32): Likewise.
	(*and_not_<V64I:mode>_sp64): Likewise.
	(*and_not_<V32I:mode>): Likewise.
	(ior<V64I:mode>3): Likewise.
	(*ior<V64I:mode>3_sp32): Likewise.
	(*ior<V64I:mode>3_sp64): Likewise.
	(ior<V32I:mode>3): Likewise.
	(*or_not_<V64I:mode>_sp32): Likewise.
	(*or_not_<V64I:mode>_sp64): Likewise.
	(*or_not_<V32I:mode>): Likewise.
	(xor<V64I:mode>3): Likewise.
	(*xor<V64I:mode>3_sp32): Likewise.
	(*xor<V64I:mode>3_sp64): Likewise.
	(xor<V32I:mode>3): Likewise.
	(V64I mode splitters): Likewise.
	(*xor_not_<V64I:mode>_sp32): Likewise.
	(*xor_not_<V64I:mode>_sp64): Likewise.
	(*xor_not_<V32I:mode>): Likewise.
	(one_cmpl<V64I:mode>2): Likewise.
	(*one_cmpl<V64I:mode>2_sp32): Likewise.
	(*one_cmpl<V64I:mode>2_sp64): Likewise.
	(one_cmpl<V32I:mode>2): Likewise.
	(VM32, VM64, VMALL): New mode iterators.
	(vbits, vconstr, vfptype): New mode attributes.
	(mov<VMALL:mode>): New expander.
	(*mov<VM32:mode>_insn): New insn.
	(*mov<VM64:mode>_insn_sp64): New insn.
	(*mov<VM64:mode>_insn_sp32): New insn, and associated splitter
	specifically for the register to memory case.
	(vec_init<mode>): New expander.
	(VADDSUB): New mode iterator.
	(<plusminus_insn>v2si3, <plusminus_insn>v2hi3): Remove and replace
	(<plusminus_insn><mode>3): New consolidated pattern.
	(VL): New mode iterator for logical operations.
	(vlsuf): New more attribute.
	(vlop): New code iterator.
	(vlinsn, vlninsn): New code attributes.
	(<code><mode>3): New insn to non-negated vector logical ops.
	(*not_<code><mode>3): Likewise for negated variants.
	(*nand<mode>_vis): New insn.
	(vlnotop): New code iterator.
	(*<code>_not1<mode>_vis, *<code>_not2<mode>_vis): New insns.
	(one_cmpl<mode>2): New insn.
	(faligndata<V64I:mode>_vis): Rewrite to use VM64 iterator.
	(bshuffle<VM64:mode>_vis): Likewise.
	(v<vis3_shift_patname><mode>3): Use GCM mode iterator.
	(fp<plusminus_insn>64_vis): Use V1DI mode.
	(VASS mode iterator): Use V1SI not SI mode.
	* config/sparc/sparc.c (sparc_vis_init_builtins): Account for
	single-entry vector mode changes.
	(sparc_expand_builtin): Likewise.
	(sparc_expand_vector_init): New function.
	* config/sparc/sparc-protos.h (sparc_expand_vector_init): Declare.

2011-10-17  Kai Tietz  <>

	* fold-const.c (simple_operand_p_2): New function.
	(fold_truthop): Rename to
	(fold_truth_andor_1): function name.
	Additionally remove branching creation for logical and/or.
	(fold_truth_andor): Handle branching creation for logical and/or here.

2011-10-17  Andi Kleen  <>

	* ggc-page.c (USING_MADVISE): Adjust ifdef to check for USING_MMAP.

2011-10-17  Georg-Johann Lay  <>

	* config/avr/avr.h (ASSEMBLER_DIALECT): Remove.
	* config/avr/ (mcu_have_movw, mcu_mega): Remove attributes.
	(adjust_len): Add alternative "call".
	(isa, enabled): New insn attributes.
	(length): Use match_test with AVR_HAVE_JMP_CALL instead of
	mcu_mega attribute.
	(*sbrx_branch<mode>): Ditto.
	(*sbrx_and_branch<mode>): Ditto.
	(*sbix_branch): Ditto.
	(*sbix_branch_bit7): Ditto.
	(*sbix_branch_tmp): Ditto.
	(*sbix_branch_tmp_bit7): Ditto.
	(jump): Ditto.
	(negsi2): Use attribute "isa" instead of assembler dialect.
	(extendhisi2): Ditto.
	(call_insn, call_value_insn): Set adjust_len attribute.
	(indirect_jump): Indent to coding rules.
	(call_prologue_saves): Use isa attribute instead of mcu_mega.
	(epilogue_restores): Ditto.  Fix setting of SP as described in the
	RTX pattern.
	(*indirect_jump): Fusion of *jcindirect_jump, *njcindirect_jump
	and *indirect_jump_avr6.
	(*tablejump): Fusion of *tablejump_rjmp and *tablejump_lib.
	(*jcindirect_jump, *njcindirect_jump, *indirect_jump_avr6): Remove.
	(*tablejump_rjmp, *tablejump_lib): Remove.
	* config/avr/avr.c (adjust_insn_length): Handle ADJUST_LEN_CALL.

2011-10-17  Paolo Carlini  <>

	PR c++/50757
	* doc/invoke.texi ([Wnonnull]): Update.

2011-10-17  Richard Henderson  <>

	PR 50746
	* optabs.c (expand_vec_perm_expr): Fix indexing error.

2011-10-17  Sergio Durigan Junior  <>

	* Display `yes' if the SystemTap header has been found.
	* configure: Regenerate.

2011-10-08  Andi Kleen  <>

	PR other/50636
	*, configure: Regenerate.
	* (madvise): Add to AC_CHECK_FUNCS.
	* ggc-page.c (USING_MADVISE): Add.
	(page_entry): Add discarded field.
	(alloc_page): Check for discarded pages.
	(release_pages): Add USING_MADVISE branch.

2011-10-17  Richard Guenther  <>

	PR tree-optimization/50729
	* tree-vrp.c (extract_range_from_unary_expr_1): Remove redundant test.
	(simplify_conversion_using_ranges): Properly test the
	intermediate result.

2011-10-15  Tom Tromey  <>
	    Dodji Seketeli  <>

	* ggc.h (ggc_round_alloc_size): Declare new public entry point.
	* ggc-none.c (ggc_round_alloc_size): New public stub function.
	* ggc-page.c (ggc_alloced_size_order_for_request): New static
	function.  Factorized from ggc_internal_alloc_stat.
	(ggc_round_alloc_size): New public function.  Uses
	(ggc_internal_alloc_stat): Use ggc_alloced_size_order_for_request.
	* ggc-zone.c (ggc_round_alloc_size): New public function extracted
	from ggc_internal_alloc_zone_stat.
	(ggc_internal_alloc_zone_stat): Use ggc_round_alloc_size.
	* toplev.c (general_init): Initialize

2011-10-15  Tom Tromey  <>
	    Dodji Seketeli  <>

	* input.c (ONE_K, ONE_M, SCALE, STAT_LABEL, FORMAT_AMOUNT): New macros.
	(num_expanded_macros_counter, num_macro_tokens_counter): Declare
	new counters.
	(dump_line_table_statistics): Define new function.
	* input.h (dump_line_table_statistics): Declare new function.
	* toplev.c (dump_memory_report): Call dump_line_table_statistics.

2011-10-15  Tom Tromey  <>
	    Dodji Seketeli  <>

	* doc/cppopts.texi: Document -fdebug-cpp.
	* doc/invoke.texi: Add -fdebug-cpp to the list of preprocessor options.

2011-10-15  Tom Tromey  <>
	    Dodji Seketeli  <>

	* gcc/diagnostic.h (diagnostic_report_current_module): Add a
	location parameter.
	* diagnostic.c (diagnostic_report_current_module): Add a location
	parameter to the function definition.  Use it instead of
	input_location.  Resolve the virtual location rather than just
	looking up its map and risking to touch a resulting macro map.
	(default_diagnostic_starter): Pass the relevant diagnostic
	location to diagnostic_report_current_module.
	* tree-diagnostic.c (maybe_unwind_expanded_macro_loc): New.
	(virt_loc_aware_diagnostic_finalizer): Likewise.
	(diagnostic_report_current_function): Pass the
	relevant location to diagnostic_report_current_module.
	* tree-diagnostic.h (virt_loc_aware_diagnostic_finalizer): Declare
	new function.
	* toplev.c (general_init): By default, use the new
	virt_loc_aware_diagnostic_finalizer as diagnostic finalizer.
	* Add vec.h dependency to tree-diagnostic.c.

2011-10-15  Tom Tromey  <>
	    Dodji Seketeli  <>

	* doc/cppopts.texi (-ftrack-macro-expansion): Document new option.
	* doc/invoke.texi (-ftrack-macro-expansion): Add this to the list of
	preprocessor related options.

2011-10-15  Tom Tromey  <tromey@redhat>
	    Dodji Seketeli  <>

	* input.h (struct expanded_location): Move to libcpp/line-map.h.
	(LOCATION_COLUMN): New accessor
	(in_system_header_at): Use linemap_location_in_system_header_p.
	* diagnostic.c (diagnostic_report_current_module): Adjust to avoid
	touching the internals of struct line_map.  Use the public API instead.
	(diagnostic_report_diagnostic): Don't use relational operator '<'
	on virtual locations.  Use linemap_location_before_p instead.
	* input.c (expand_location): Adjust to expand to the tokens'
	spelling location when macro location tracking is on.

2011-10-08  Andi Kleen  <>

	* ggc-page.c (GGC_QUIRE_SIZE): Increase to 512

2011-10-13  Andi Kleen  <>

	* toplev.c (compile_file): Rename __gnu_slim_lto to __gnu_lto_slim.

2011-10-16  Ira Rosen  <>

	PR tree-optimization/50727
	* tree-vect-patterns.c (vect_operation_fits_smaller_type): Add
	DEF_STMT to the list of statements to be replaced by the
	pattern statements.

2011-10-16  Eric Botcazou  <>

	PR rtl-optimization/50615
	* combine.c (distribute_notes) <REG_ARGS_SIZE>: Skip if I3 is a no-op.

2011-10-16  Jakub Jelinek  <>

	PR tree-optimization/50596
	* tree-vectorizer.h (NUM_PATTERNS): Increase to 7.
	* tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
	(check_bool_pattern, adjust_bool_pattern_cast,
	adjust_bool_pattern, vect_recog_bool_pattern): New functions.

2011-10-16  Ira Rosen  <>

	* tree-vect-stmts.c (vectorizable_load): For SLP without permutation
	treat the first load of the node as the first element in its
	interleaving chain.
	* tree-vect-slp.c (vect_get_and_check_slp_defs): Swap the operands if
	necessary and possible.
	(vect_build_slp_tree): Add new argument.  Allow load groups of any size
	in basic blocks.  Keep all the loads for further permutation check.
	Use the new argument to determine if there is a permutation.  Update
	the recursive calls.
	(vect_supported_load_permutation_p): Allow subchains of interleaving
	chains in basic block vectorization.
	(vect_analyze_slp_instance): Update the call to vect_build_slp_tree.
	Check load permutation based on the new parameter.
	(vect_schedule_slp_instance): Don't start from the first element in
	interleaving chain unless the loads are permuted.

2011-10-15  Jan Hubicka  <>

	PR target/48668
	PR target/50689
	* cgraphunit.c (cgraph_expand_function): Expand thunks and alises
	after function body.

2011-10-15  Richard Henderson  <>

	* tree-vect-slp.c: Include langhooks.h.
	(vect_create_mask_and_perm): Emit VEC_PERM_EXPR, not a builtin.
	(vect_transform_slp_perm_load): Use can_vec_perm_expr_p.  Simplify
	mask creation for VEC_PERM_EXPR.
	* tree-vect-stmts.c (perm_mask_for_reverse): Return the mask,
	not the builtin.
	(reverse_vec_elements): Emit VEC_PERM_EXPR not a builtin.
	* (tree-vect-slp.o): Update dependency.
	* optabs.c (can_vec_perm_expr_p): Allow NULL as unknown constant.

2011-10-15  Alan Modra  <>

	PR bootstrap/50738
	* ifcvt.c (dead_or_predicable): Revert accidental commit with
	HAVE_simple_return test.

2011-10-15  Alan Modra  <>

	* ifcvt.c (dead_or_predicable): Disable if-conversion when
	doing so is likely to kill a shrink-wrapping opportunity.

	PR rtl-optimization/49941
	* jump.c (mark_jump_label_1): Set JUMP_LABEL for simple_return jumps.

	* rtl.h (set_return_jump_label): Declare.
	* function.c (set_return_jump_label): New function, extracted..
	(thread_prologue_and_epilogue_insns): ..from here.  Use it in
	another instance to set return jump_label.
	* cfgrtl.c (force_nonfallthru_and_redirect): Use set_return_jump_label.
	* reorg.c (find_end_label): Likewise.

2011-10-14  David S. Miller  <>

	* config/sparc/sol2.h: Protect -m{cpu,tune}=native handling
	with a more complete cpp test.
	* config/sparc/linux64.h: Likewise.
	* config/sparc/linux.h: Likewise.
	* config/sparc/sparc.opt (sparc_debug): New target variable.
	(mdebug): New target option.
	* config/sparc/sparc.h (MASK_DEBUG_OPTIONS, MASK_DEBUG_ALL,
	* config/sparc/sparc.c (debug_target_flag_bits,
	debug_target_flags): New functions.
	(sparc_option_override): Add name strings back to cpu_table[].
	Parse -mdebug string.  When TARGET_DEBUG_OPTIONS is true, print
	out the target flags before and after override processing as well
	as the selected cpu.  If MASK_V8PLUS, make sure that the selected
	cpu is at least v9.

2011-10-15  Oleg Endo  <>

	PR target/49263
	* config/sh/sh.h (ZERO_EXTRACT_ANDMASK): New macro.
	* config/sh/sh.c (sh_rtx_costs): Add test instruction case.
	* config/sh/ (tstsi_t): Name existing insn.  Make inner
	and instruction commutative.
	(tsthi_t, tstqi_t, tstqi_t_zero, tstsi_t_and_not,
	tstsi_t_zero_extract_eq, tstsi_t_zero_extract_xor,
	tstsi_t_zero_extract_subreg_xor_big): New insns.
	(*movsicc_t_false, *movsicc_t_true): Replace space with tab in
	asm output.
	(*andsi_compact): Reorder alternatives so that K08 is considered first.

2011-10-14  Eric Botcazou  <>

	PR target/50354
	* config/sparc/linux64.h (TARGET_DEFAULT): Only override if the default
	processor is at least V9 and TARGET_64BIT_DEFAULT is defined.

2011-10-14  Gerald Pfeifer  <>

	* invoke.texi (AVR Options): Avoid \leq{}.

2011-10-14  Kai Tietz  <>

	* gimplify.c (gimplify_expr): Take care that for bitwise-binary
	transformation the operands have compatible types.

2011-10-14  Jakub Jelinek  <>

	* config/i386/ (vec_widen_smult_hi_v8hi,
	vec_widen_smult_lo_v8hi, vec_widen_umult_hi_v8hi,
	vec_widen_umult_lo_v8hi): Macroize using VI2_AVX2
	mode iterator and any_extend code iterator.
	(vec_widen_<s>mult_hi_v8si, vec_widen_<s>mult_lo_v8si): New expanders.
	(vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si): Enable
	also for TARGET_SSE4_1 using pmuldq insn.
	(sdot_prodv8hi): Macroize using VI2_AVX2 iterator.
	(sse2_sse4_1): New code attr.
	(udot_prodv4si): Macroize using any_extend code iterator.
	(<s>dot_prodv8si): New expander.

2011-10-14  Yakovlev Vladimir  <>

	* config/i386/i386.c (atom_cost): Changed cost for loading
	QImode using movzbl.

2011-10-14  Michael Meissner  <>

	* config/rs6000/rs6000.c (rs6000_init_builtins): Fix typo in my
	change on October 11th, 2011.

2011-10-14  Jakub Jelinek  <>

	* config/i386/ (vec_interleave_high<mode>,
	vec_interleave_low<mode>): Add AVX2 expanders for VI_256 modes.
	* config/i386/i386.c (expand_vec_perm_interleave3): New function.
	(ix86_expand_vec_perm_builtin_1): Call it.

2011-10-14  Georg-Johann Lay  <>

	Fix thinko from r179765
	* config/avr/avr.c (avr_option_override): Don't override
	flag_omit_frame_pointer if not actually needed.

2011-10-14  Georg-Johann Lay  <>

	PR target/46278
	* doc/invoke.texi (AVR Options): Document -mstrict-X.

	* config/avr/avr.opt (-mstrict-X): New option.
	(avr_strict_X): New variable reflecting -mstrict-X.
	* config/avr/avr.c (avr_reg_ok_for_addr_p): Add parameter
	outer_code and pass it down to avr_regno_mode_code_ok_for_base_p.
	(avr_legitimate_address_p): Pass outer_code to
	avr_reg_ok_for_addr_p and use that function in case PLUS.
	(avr_mode_code_base_reg_class): Depend on avr_strict_X.
	(avr_regno_mode_code_ok_for_base_p): Ditto, and depend on outer_code.
	(avr_option_override): Disable -fcaller-saves if -mstrict-X is on.

2011-10-14  Jakub Jelinek  <>

	* config/i386/ (neg<mode>2): Use VI_AVX2 iterator instead
	of VI_128.

	* config/i386/ (mulv2di3): Macroize using VI8_AVX2 iterator.
	(ashl<mode>3): Use VI248_AVX2 iterator instead of VI248_128.
	Use <sseinsnmode> instead of TI in mode attr.

2011-10-14  David Alan Gilbert  <>

	* config/arm/linux-atomic-64bit.c: New (based on linux-atomic.c).
	* config/arm/linux-atomic.c: Change comment to point to 64bit version.
	(SYNC_LOCK_RELEASE): Instantiate 64bit version.
	* config/arm/t-linux-eabi: Pull in linux-atomic-64bit.c.

2011-10-14  David Alan Gilbert  <>

	* config/arm/arm.c (arm_output_ldrex): Support ldrexd.
	(arm_output_strex): Support strexd.
	(arm_output_it): New helper to output it in Thumb2 mode only.
	(arm_output_sync_loop): Support DI mode.  Change comment to
	not support const_int.
	(arm_expand_sync): Support DI mode.
	* config/arm/arm.h (TARGET_HAVE_LDREXBHD): Split into LDREXBH
	and LDREXD.
	* config/arm/ (NARROW): move from
	(QHSD): New iterator for all current ARM integer modes.
	(SIDI): New iterator for SI and DI modes only.
	* config/arm/ (sync_predtab): New mode_attr.
	(sync_compare_and_swapsi): Fold into sync_compare_and_swap<mode>.
	(sync_lock_test_and_setsi): Fold into sync_lock_test_and_setsi<mode>.
	(sync_<sync_optab>si): Fold into sync_<sync_optab><mode>.
	(sync_nandsi): Fold into sync_nand<mode>.
	(sync_new_<sync_optab>si): Fold into sync_new_<sync_optab><mode>.
	(sync_new_nandsi): Fold into sync_new_nand<mode>.
	(sync_old_<sync_optab>si): Fold into sync_old_<sync_optab><mode>.
	(sync_old_nandsi): Fold into sync_old_nand<mode>.
	(sync_compare_and_swap<mode>): Support SI & DI.
	(sync_lock_test_and_set<mode>): Likewise.
	(sync_<sync_optab><mode>): Likewise.
	(sync_nand<mode>): Likewise.
	(sync_new_<sync_optab><mode>): Likewise.
	(sync_new_nand<mode>): Likewise.
	(sync_old_<sync_optab><mode>): Likewise.
	(sync_old_nand<mode>): Likewise.
	(arm_sync_compare_and_swapsi): Turn into iterator on SI & DI.
	(arm_sync_lock_test_and_setsi): Likewise.
	(arm_sync_new_<sync_optab>si): Likewise.
	(arm_sync_new_nandsi): Likewise.
	(arm_sync_old_<sync_optab>si): Likewise.
	(arm_sync_old_nandsi): Likewise.
	(arm_sync_compare_and_swap<mode> NARROW): use sync_predtab, fix indent.
	(arm_sync_lock_test_and_setsi<mode> NARROW): Likewise.
	(arm_sync_new_<sync_optab><mode> NARROW): Likewise.
	(arm_sync_new_nand<mode> NARROW): Likewise.
	(arm_sync_old_<sync_optab><mode> NARROW): Likewise.
	(arm_sync_old_nand<mode> NARROW): Likewise.

2011-10-14  David Alan Gilbert  <>

	PR target/48126
	* config/arm/arm.c (arm_output_sync_loop): Move label before barrier.

2011-10-14  David Alan Gilbert  <>

	* config/arm/arm.h (TARGET_HAVE_DMB_MCR): MCR Not available in Thumb1.

2011-10-14  Paolo Carlini  <>

	* doc/invoke.texi ([Wformat-zero-length]): Tidy.

2011-10-14  Jakub Jelinek  <>

	* gimple.c (walk_stmt_load_store_addr_ops): Call visit_addr also
	on COND_EXPR/VEC_COND_EXPR comparison operands if they are ADDR_EXPRs.

2011-10-14  Richard Guenther  <>

	PR tree-optimization/50723
	* ipa-split.c (split_function): Use GSI_CONTINUE_LINKING.

2011-10-14  Nicola Pero  <>

	* gengtype.c (files_rules): Added rules for objc/objc-map.h and

2011-10-14  Paolo Carlini  <>

	PR c++/17212
	* doc/invoke.texi ([Wformat-zero-length]): Update.

2011-10-14  Iain Sandoe  <>

	PR bootstrap/50699
	* config/darwin.c (darwin_patch_builtin): Adjust argument type. Only
	build for powerpc targets.  (darwin_patch_builtins): Only build for
	powerpc targets.

2011-10-14  Jakub Jelinek  <>

	* config/i386/ (*avx_cvtdq2pd256_2): Rename to...
	(avx_cvtdq2pd256_2): ... this.
	(sseunpackfltmode): New mode attr.
	(vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi,
	vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): Macroize
	using VI2_AVX2 iterator.
	(vec_unpacku_float_hi_v8si, vec_unpacku_float_lo_v8si): New expanders.

2011-10-13  David S. Miller  <>

	* config/sparc/ (plusminus): New code iterator.
	(plusminus_insn): New code attr.
	(addv2si3, subv2si3, addv4hi3, subv4hi3, addv2hi3, subv2hi3): Merge
	using plusminus and plusminus_insn.
	(fpadd64_vis, fpsub64_vis): Likewise.

2011-10-13  Richard Henderson  <>

	* doc/md.texi (vec_perm): Document fallback to byte permutation.
	* genopinit.c (optabs): Add vec_perm_const.
	* optabs.c (can_vec_perm_expr_p): Rename from expand_vec_perm_expr_p.
	Reject non-vector modes.  Allow fallback to byte permutation.
	(expand_vec_perm_expr_1): Split out from ...
	(expand_vec_perm_expr): ... here.  Allow fallback to byte permutation.
	* optabs.h (DOI_vec_perm_const, vec_perm_const_optab): New.
	* tree-vect-generic.c (lower_vec_perm): Update for name change.

2011-10-13  Richard Henderson  <>

	* config/rs6000/ (vec_permv16qi): New pattern.

	* config/rs6000/ (vec_permv16qi): New pattern.

	* config/i386/i386.c (ix86_expand_vec_perm_const): New.
	* config/i386/i386-protos.h: Update.
	* config/i386/ (VEC_PERM_CONST): New mode iterator.
	(vec_perm_const<VEC_PERM_CONST>): New expander.

	* optabs.c (expand_vector_broadcast): New.
	(expand_binop): Expand scalar shifts of vectors to vector shifts
	of vectors, if the former isn't supported.
	* tree-vect-generic.c (expand_vector_operations_1): Don't do that
	here; always simplify to scalar shift of vector if possible.

	* config/rs6000/rs6000.c (rs6000_expand_vector_init): Fix mode
	test for vector splat.

2011-10-13  Jakub Jelinek  <>

	* config/i386/ (vec_set<mode>): Change V_128 iterator mode to V.

2011-10-13  Jakub Jelinek  <>
	    Richard Guenther  <>

	* tree-ssa.c (maybe_optimize_var): Drop TREE_ADDRESSABLE from vector
	or complex vars even if their DECL_UID is in not_reg_needs bitmap.

2011-10-13  Jakub Jelinek  <>

	* config/i386/ (reduc_umin_v8hi): New pattern.
	* config/i386/i386.c (ix86_build_const_vector): Handle
	also V32QI, V16QI, V16HI and V8HI modes.
	(emit_reduc_half): New function.
	(ix86_expand_reduc): Use phminposuw insn for V8HImode UMIN.
	Use emit_reduc_half helper function.

2011-10-13  Lawrence Crowl  <>
	    Diego Novillo  <>

	* lto-streamer-in.c (input_struct_function_base): Factor out of ...
	(input_function): ... here.
	* lto-streamer-out.c (output_struct_function_base): Factor out of ...
	(output_function): ... here.

2011-10-13  Gabriel Charette  <>
	    Diego Novillo  <>

	* streamer-hooks.h (struct streamer_hooks): Add hooks
	input_location and output_location.
	* lto-streamer-in.c (lto_input_location): Use
	streamer_hooks.input_location, if set.
	* lto-streamer-out.c (lto_output_location): Use
	streamer_hooks.output_location, if set.

2011-10-13  Eric Botcazou  <>

	* doc/invoke.texi (SPARC options): Document -mfix-at697f.
	* config/sparc/sparc.opt (mfix-at697f): New option.
	* config/sparc/sparc.c (TARGET_MACHINE_DEPENDENT_REORG): Define.
	(sparc_reorg): New function.

2011-10-13  Richard Guenther  <>

	PR tree-optimization/50712
	* ipa-split.c (split_function): Always re-gimplify parameters
	when they are not gimple vals before passing them.  Properly
	check for type compatibility.

2011-10-13  Tom de Vries  <>

	* function.c (gimplify_parameters): Set number of arguments of call to

2011-10-13  Tom de Vries  <>

	* emit-rtl.c (set_mem_attributes_minus_bitpos): Set MEM_READONLY_P
	for static const strings.
	* varasm.c (build_constant_desc): Generate the memory location of the
	constant using gen_const_mem.

2011-10-13  Richard Guenther  <>

	PR tree-optimization/50698
	* tree-data-ref.c (split_constant_offset_1): Also process
	offsets of &MEM.

2011-10-12  David S. Miller  <>

	* config/sparc/ (UNSPEC_FPMERGE): Delete.
	(fpmerge_vis): Remove inaccurate comment, represent using vec_select
	of a vec_concat.
	(vec_interleave_lowv8qi, vec_interleave_highv8qi): New insns.
	(fmul8x16_vis, fmul8x16au_vis, fmul8sux16_vis, fmuld8sux16_vis):
	Reimplement as unspecs and remove inaccurate comments.
	(vis3_shift_patname): New code attr.
	(<vis3_shift_insn><vbits>_vis): Rename to
	(vis3_addsub_ss_patname): New code attr.
	(<vis3_addsub_ss_insn><vbits>_vis): Rename to
	* config/sparc/sparc.c (sparc_vis_init_builtins): Update to
	accommodate pattern name changes.

	* config/sparc/sparc.h: Do not force TARGET_VIS3 and TARGET_FMAF
	to zero when assembler lacks support for such instructions.
	* config/sparc/sparc.c (sparc_option_override): Clear MASK_VIS3
	and MASK_FMAF in defaults when assembler lacks necessary support.

2011-10-12  Jakub Jelinek  <>

	* config/i386/ (vec_unpacks_lo_<mode>,
	vec_unpacks_hi_<mode>, vec_unpacku_lo_<mode>,
	vec_unpacku_hi_<mode>): Change VI124_128 mode to VI124_AVX2.
	* config/i386/i386.c (ix86_expand_sse_unpack): Handle
	V32QImode, V16HImode and V8SImode for TARGET_AVX2.

	* config/i386/ (vec_avx2): New mode_attr.
	(mulv16qi3): Macroize to cover also mulv32qi3 for TARGET_AVX2 into ...
	(mul<mode>3): ... this.

	* config/i386/ (UNSPEC_VPERMDI): Remove.
	* config/i386/i386.c (ix86_expand_vec_perm): Handle
	V16QImode and V32QImode for TARGET_AVX2.
	(MAX_VECT_LEN): Increase to 32.
	(expand_vec_perm_blend): Add support for 32-byte integer
	vectors with TARGET_AVX2.
	(valid_perm_using_mode_p): New function.
	(expand_vec_perm_pshufb): Add support for 32-byte integer
	vectors with TARGET_AVX2.
	(expand_vec_perm_vpshufb2_vpermq): New function.
	(expand_vec_perm_vpshufb2_vpermq_even_odd): New function.
	(expand_vec_perm_even_odd_1): Handle 32-byte integer vectors
	with TARGET_AVX2.
	(ix86_expand_vec_perm_builtin_1): Try expand_vec_perm_vpshufb2_vpermq
	and expand_vec_perm_vpshufb2_vpermq_even_odd.
	* config/i386/ (VEC_EXTRACT_EVENODD_MODE): Add for TARGET_AVX2
	32-byte integer vector modes.
	(vec_pack_trunc_<mode>): Use VI248_AVX2 instead of VI248_128.
	(avx2_interleave_highv32qi, avx2_interleave_lowv32qi): Remove pasto.
	(avx2_pshufdv3, avx2_pshuflwv3, avx2_pshufhwv3): Generate
	4 new operands.
	(avx2_pshufd_1, avx2_pshuflw_1, avx2_pshufhw_1): Don't use
	match_dup, instead add 4 new operands and require they have
	right cross-lane values.
	(avx2_permv4di): Change into define_expand.
	(avx2_permv4di_1): New instruction.
	(avx2_permv2ti): Use nonimmediate_operand instead of register_operand
	for "xm" constrained operand.
	(VEC_PERM_AVX2): Add V32QI and V16QI for TARGET_AVX2.

	* config/i386/ (avx2_gathersi<mode>,
	avx2_gatherdi<mode>, avx2_gatherdi<mode>256): Add clobber of
	match_scratch, change memory_operand to register_operand,
	add (mem:BLK (scratch)) use.
	(*avx2_gathersi<mode>, *avx2_gatherdi<mode>,
	*avx2_gatherdi<mode>256): Add clobber of match_scratch,
	add earlyclobber to the output operand and match_scratch,
	add (mem:BLK (scratch)) use, change the other mem to match_operand.
	Use %p6 instead of %c6 in the pattern.
	* config/i386/i386.c (ix86_expand_builtin): Adjust for
	operand 2 being a Pmode register_operand instead of memory_operand.

2011-10-12  Kai Tietz  <>

	* config/i386/ (simple_return): Disable if TARGET_SEH is active.

2011-10-12  Steve Ellcey  <>

	* config/ia64/ia64.c (ia64_init_builtins): Fix unbalanced parentheses.

2011-10-12  Richard Guenther  <>

	* tree-ssa-alias.c (maybe_skip_until): Cache also at the point
	of the first store we visit in a basic-block.
	(get_continuation_for_phi): Search for a candidate VUSE that
	might dominates all others.  Do pairwise disambiguation against
	that candidate.

2011-10-12  Paul Koning  <>

	PR tree-optimization/50189
	* tree-vrp.c (extract_range_from_assert): Use the type of
	the variable, not the limit.

2011-10-12  Richard Guenther  <>

	PR tree-optimization/50700
	* tree-object-size.c (addr_object_size): Simplify and treat
	MEM_REF bases consistently.

2011-10-12  Bernd Schmidt  <>

	* function.c (prepare_shrink_wrap, bb_active_p): New function.
	(thread_prologue_and_epilogue_insns): Use bb_active_p.  Call
	prepare_shrink_wrap, then recompute bb_active_p for the last block.

2011-10-12  Joseph Myers  <>

	PR c/50565
	* convert.c (convert_to_integer): Do not narrow operands of
	pointer subtraction.

2011-10-12  Nick Clifton  <>

	* config/arm/arm.h (EMIT_EABI_ATTRIBUTE): New macro.  Used to
	emit a .eabi_attribute assembler directive, possibly with a
	comment attached.
	* config/arm/arm.c (arm_file_start): Use the new macro.
	* config/arm/arm-c.c (arm_output_c_attributes): Likewise.

2011-10-12  Georg-Johann Lay  <>

	PR target/49939
	* config/avr/ (*movqi): Rename to movqi_insn.
	(*call_insn): Rename to call_insn.
	(*call_value_insn): Rename to call_value_insn.
	* config/avr/avr.c (avr_2word_insn_p): New static function.
	(jump_over_one_insn_p): Use it.

2011-10-12  Richard Sandiford  <>

	PR middle-end/48660
	* expr.h (copy_blkmode_to_reg): Declare.
	* expr.c (copy_blkmode_to_reg): New function.
	(expand_assignment): Don't expand register RESULT_DECLs before
	the lhs.  Use copy_blkmode_to_reg to copy BLKmode values into a
	RESULT_DECL register.
	(expand_expr_real_1): Handle BLKmode decls when looking for promotion.
	* stmt.c (expand_return): Move BLKmode-to-register code into

2011-10-11  Eric Botcazou  <>

	PR target/49965
	* config/sparc/ (mov<I:mode>cc): Do not save comparison code.
	(mov<F:mode>cc): Likewise.

2011-10-11  Bill Schmidt  <>

	* tree-ssa-address.c (copy_ref_info): Remove copy of TREE_THIS_NOTRAP.

2011-10-11  Michael Meissner  <>

	* tree.h (built_in_decls): Delete old interface with two parallel
	arrays to hold standard builtin declarations, and replace it with
	a function based interface that can support creating builtins on
	the fly in the future.  Change all uses, and poison the old
	names.  Make sure 0 is not a legitimate builtin index.
	(implicit_built_in_decls): Ditto.
	(built_in_info): Ditto.
	(builtin_decl_explicit): Ditto.
	(builtin_decl_implicit): Ditto.
	(set_builtin_decl): Ditto.
	(set_builtin_decl_implicit_p): Ditto.
	(builtin_decl_explicit_p): Ditto.
	(builtin_decl_implicit_p): Ditto.
	* tree-complex.c (expand_complex_libcall): Ditto.
	* tree-loop-distribution.c (generate_memset_zero): Ditto.
	* tree-ssa-strlen.c (get_string_length): Ditto.
	(handle_builtin_strcpy): Ditto.
	(handle_builtin_strcat): Ditto.
	* tree.c (iterative_hash_expr): Ditto.
	(local_define_builtin): Ditto.
	(build_common_builtin_nodes): Ditto.
	* builtins.c (built_in_decls): Ditto.
	(implicit_built_in_decls): Ditto.
	(built_in_info): Ditto
	(expand_builtin_classify_type): Ditto.
	(mathfn_built_in_1): Ditto.
	(expand_builtin_cexpi): Ditto.
	(expand_builtin_mempcpy_args): Ditto.
	(expand_builtin_stpcpy): Ditto.
	(gimplify_va_arg_expr): Ditto.
	(expand_builtin_sync_operation): Ditto.
	(build_builtin_expect_predicate): Ditto.
	(fold_builtin_memory_op): Ditto.
	(fold_builtin_strcpy): Ditto.
	(fold_builtin_stpcpy): Ditto.
	(fold_builtin_strncpy): Ditto.
	(fold_builtin_interclass_mathfn): Ditto.
	(fold_builtin_classify): Ditto.
	(fold_builtin_2): Ditto.
	(fold_builtin_strstr): Ditto.
	(fold_builtin_strrchr): Ditto.
	(fold_builtin_strpbrk): Ditto.
	(fold_builtin_strcat): Ditto.
	(fold_builtin_strncat): Ditto.
	(fold_builtin_strcspn): Ditto.
	(fold_builtin_fputs): Ditto.
	(fold_builtin_sprintf): Ditto.
	(fold_builtin_snprintf): Ditto.
	(expand_builtin_memory_chk): Ditto.
	(fold_builtin_memory_chk): Ditto.
	(fold_builtin_stxcpy_chk): Ditto.
	(fold_builtin_strncpy_chk): Ditto.
	(fold_builtin_strcat_chk): Ditto.
	(fold_builtin_strncat_chk): Ditto.
	(fold_builtin_sprintf_chk_1): Ditto.
	(fold_builtin_snprintf_chk_1): Ditto.
	(fold_builtin_printf): Ditto.
	(fold_builtin_fprintf): Ditto.
	(fold_call_stmt): Ditto.
	(set_builtin_user_assembler_name): Ditto.
	* tree-emutls.c (emutls_common_1): Ditto.
	* omp-low.c (scan_omp): Ditto.
	(lower_rec_input_clauses): Ditto.
	(lower_reduction_clauses): Ditto.
	(expand_parallel_call): Ditto.
	(expand_task_call): Ditto.
	(maybe_catch_exception): Ditto.
	(optimize_omp_library_calls): Ditto.
	(expand_omp_for_generic): Ditto.
	(expand_omp_for_static_nochunk): Ditto.
	(expand_omp_for_static_chunk): Ditto.
	(expand_omp_sections): Ditto.
	(expand_omp_atomic_fetch_op): Ditto.
	(expand_omp_atomic_pipeline): Ditto.
	(expand_omp_atomic_mutex): Ditto.
	(lower_omp_single_simple): Ditto.
	(lower_omp_single_copy): Ditto.
	(lower_omp_master): Ditto.
	(lower_omp_ordered): Ditto.
	(lower_omp_critical): Ditto.
	* tree-ssa-ccp.c (optimize_stdarg_builtin): Ditto.
	* builtins.c (DEF_BUILTIN_STUB): Ditto.
	(BUILT_IN_NONE): Ditto.
	* tree-ssa-math-opts.c (execute_optimize_bswap): Ditto.
	* gimple-low.c (lower_function_body): Ditto.
	(lower_builtin_setjmp): Ditto.
	* c-decl.c (merge_decls): Ditto.
	* tree-eh.c (lower_resx): Ditto.
	(lower_resx): Ditto.
	(lower_eh_dispatch): Ditto.
	* function (gimplify_parameters): Ditto.
	* c-typeck.c (build_function_call_vec): Ditto.
	* gimplify.c (build_stack_save_restore): Ditto.
	(gimplify_vla_decl): Ditto.
	(gimplify_modify_expr_to_memcpy): Ditto.
	(gimplify_modify_expr_to_memset): Ditto.
	(gimplify_variable_sized_compare): Ditto.
	(gimplify_function_tree): Ditto.
	* calls.c (emit_call_1): Ditto.
	* tree-ssa-forprop.c (simplify_builtin_call): Ditto.
	* tree-nested.c (convert_nl_goto_reference): Ditto.
	(convert_tramp_reference_op): Ditto.
	(finalize_nesting_tree_1): Ditto.
	* tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
	(tree_ssa_prefetch_arrays): Ditto.
	* tree-streamer-in.c (streamer_get_builtin_tree): Ditto.
	* system.h (built_in_decls): Ditto.
	(implicit_built_in_decls): Ditto.
	* tree-vect-generic.c (expand_vector_operations_1): Ditto.
	* config/sparc/sparc.c (sparc_gimplify_va_arg): Ditto.
	* config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
	(ix86_veclibabi_svml): Ditto.
	(ix86_veclibabi_acml): Ditto.
	* config/vms/vms.c (vms_patch_builtins): Ditto.
	* config/ia64/ia64.c (ia64_init_builtins): Ditto.
	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Ditto.
	(rs6000_builtin_vectorized_libmass): Ditto.
	(rs6000_init_builtins): Ditto.
	* config/darwin.c (darwin_override_options): Ditto.
	(darwin_patch_builtin): Ditto.
	(darwin_rename_builtins): Ditto.
	* config/pa/pa.c (pa_init_builtins): Ditto.

2011-10-11  Bill Schmidt  <>

	* tree.h (copy_ref_info): Expose existing function.
	* tree-ssa-loop-ivopts.c (copy_ref_info): Move function to...
	* tree-ssa-address.c (copy_ref_info):, and remove static token.

2011-10-11  Georg-Johann Lay  <>

	* config/avr/avr-protos.h (avr_mode_code_base_reg_class): New
	(avr_regno_mode_code_ok_for_base_p): New prototype.
	* config/avr/avr.h (BASE_REG_CLASS): Remove.
	* config/avr/avr.c (avr_mode_code_base_reg_class): New function.
	(avr_regno_mode_code_ok_for_base_p): New function.
	(avr_reg_ok_for_addr_p): New static function.
	(avr_legitimate_address_p): Use it.  Beautify.

2011-10-11  Georg-Johann Lay  <>

	PR target/50447
	* config/avr/ (cc): Add out_plus attribute alternative.
	(addsi3): Use it.  Adapt avr_out_plus to new prototype.  Use
	avr_out_plus for all CONST_INT addends.
	* config/avr/avr-protos.h (avr_out_plus): Change prototype.
	* config/avr/avr.c (notice_update_cc): Call avr_out_plus on
	(avr_out_plus_1): Change prototype and report effect on cc0.
	(avr_out_plus): Ditto.
	(adjust_insn_length): Adapt call to avr_out_plus to new prototype.

2011-10-11  H.J. Lu  <>

	* config/i386/i386.c (ix86_expand_special_args_builtin): Remove
	the extra break.

2011-10-11  Artjoms Sinkarovs  <>

	* doc/invoke.texi: Document new warning.
	* common.opt (Wvector-operation-performance): Define new warning.
	* tree-vect-generic.c (expand_vector_piecewise): Warn about expanded
	vector operation.
	(exapnd_vector_parallel): Warn about expanded vector operation.
	(lower_vec_shuffle): Warn about expanded vector operation.
	* c-typeck.c (c_build_vec_perm_expr): Store correct location
	when creating VEC_PERM_EXPR.

2011-10-11  Richard Guenther  <>

	PR tree-optimization/50204
	* tree-ssa-alias.c (get_continuation_for_phi_1): Split out
	two argument handling from ...
	(get_continuation_for_phi): ... here.  Handle arbitrary number
	of PHI args.

2011-10-11  Richard Sandiford  <>

	* modulo-sched.c: Fix comment typo.  Mention the possibility
	of using scheduling windows of II+1 cycles.

2011-10-11  Tristan Gingold  <>

	* doc/invoke.texi (C Dialect Options): Document
	* c-parser.c (c_parser_parms_list_declarator): Handle it.

2011-10-10  Georg-Johann Lay  <>

	* config/avr/avr.c (avr_option_override): Set flag_omit_frame_pointer
	to 0 if frame pointer is needed for unwinding.

2011-10-10  Uros Bizjak  <>

	PR bootstrap/50665
	* optabs.h (DOI_vec_perm): Rename from OTI_vec_perm.  Move from enum
	optab_index to enum direct_optab_index.
	(vec_perm_optab): Update.

2011-10-10  Anatoly Sokolov  <>

	* config/cris/cris.c (cris_preferred_reload_class): New function.
	* config/cris/cris.h (PREFERRED_RELOAD_CLASS): Remove.

2011-10-10  Georg-Johann Lay  <>

	* config/avr/ (*tablejump_rjmp): Change insn condition to
	(*tablejump_lib): Change insn condition to AVR_HAVE_JMP_CALL.
	(*tablejump_enh, *tablejump): Remove insns.
	* config/avr/libgcc.S (__tablejump__): Use RET instead of EIND +
	EIJMP for indirect jump.  Use LPM Z+ where available.

2011-10-10  Richard Henderson  <>

	* doc/md.texi (vec_perm_const): Fix typo in cindex.

2011-10-10  Kirill Yukhin  <>
	    Yakovlev Vladimir  <>

	* config/i386/ (fma_fnmsub_<mode>): Fix a typo.

2011-10-10  Richard Guenther  <>

	PR middle-end/50389
	* gimple-fold.c (gimplify_and_update_call_from_tree): Do not
	mark symbols for renaming.  Append the VUSE to all statements
	that possibly can have one.

2011-10-10  Richard Guenther  <>

	* ipa-split.c (pass_split_functions): Add verification TODOs.
	(pass_feedback_split_functions): Likewise.

2011-10-10  Richard Guenther  <>

	PR middle-end/50195
	* fold-const.c (fold_binary_loc): Canonicalize x*x to pow (x, 2)
	only when optimizing.

2011-10-10  Nick Clifton  <>

	PR middle-end/49801
	* compare-elim.c (find_comparisons_in_bb): Use df_get_live_in and
	df_get_live_out instead of accessing the bitmaps directly.
	(execute_compare_elim_after_reload): Remove calls to df_set_flags,
	df_live_add_problem and df_analyze.

2011-10-10  Michael Matz  <>

	PR middle-end/50638
	* tree-emutls.c (gen_emutls_addr): Call add_referenced_var.

2011-10-10  Richard Sandiford  <>

	* modulo-sched.c (ps_reg_move_info): Add num_consecutive_stages.
	(node_sched_params): Remove first_reg_move and nreg_moves.
	(ps_num_consecutive_stages, extend_node_sched_params): New functions.
	(update_node_sched_params): Move up file.
	(print_node_sched_params): Print the stage.  Don't dump info related
	to first_reg_move and nreg_moves.
	(set_columns_for_row): New function.
	(set_columns_for_ps): Move up file and use set_columns_for_row.
	(schedule_reg_move): New function.
	(schedule_reg_moves): Call extend_node_sched_params and
	schedule_reg_move.  Extend size of uses bitmap.  Initialize
	num_consecutive_stages.  Return false if a move could not be
	(apply_reg_moves): Don't emit moves here.
	(permute_partial_schedule): Handle register moves.
	(duplicate_insns_of_cycles): Remove for_prolog.  Emit moves according
	to the same stage-count test as ddg nodes.
	(generate_prolog_epilog): Update calls accordingly.
	(sms_schedule): Allow move-scheduling to add a new first stage.

2011-10-10  Richard Sandiford  <>

	* modulo-sched.c (ps_insn): Adjust comment.
	(ps_reg_move_info): New structure.
	(partial_schedule): Add reg_moves field.
	(SCHED_PARAMS): Use node_sched_param_vec instead of node_sched_params.
	(node_sched_params): Turn first_reg_move into an identifier.
	(ps_reg_move): New function.
	(ps_rtl_insn): Cope with register moves.
	(ps_first_note): Adjust comment and assert that the instruction
	isn't a register move.
	(node_sched_params): Replace with...
	(node_sched_param_vec): ...this vector.
	(set_node_sched_params): Adjust accordingly.
	(print_node_sched_params): Take a partial schedule instead of a ddg.
	Use ps_rtl_insn and ps_reg_move.
	(generate_reg_moves): Rename to...
	(schedule_reg_moves): ...this.  Remove rescan parameter.  Record each
	move in the partial schedule, but don't emit it here.  Don't perform
	register substitutions here either.
	(apply_reg_moves): New function.
	(duplicate_insns_of_cycles): Use register indices directly,
	rather than finding instructions using PREV_INSN.  Use ps_reg_move.
	(sms_schedule): Call schedule_reg_moves before committing to
	a partial schedule.  Try the next ii if the schedule fails.
	Use apply_reg_moves instead of generate_reg_moves.  Adjust
	call to print_node_sched_params.  Free node_sched_param_vec
	instead of node_sched_params.
	(create_partial_schedule): Initialize reg_moves.
	(free_partial_schedule): Free reg_moves.

2011-10-10  Richard Sandiford  <>

	* modulo-sched.c (ps_insn): Replace node field with an identifier.
	(SCHED_ASAP): Replace with..
	(NODE_ASAP): ...this macro.
	(SCHED_PARAMS): New macro.
	(node_sched_params): Remove asap.
	(ps_rtl_insn, ps_first_note): New functions.
	(set_node_sched_params): Use XCNEWVEC.  Don't copy across the
	asap values.
	(print_node_sched_params): Use SCHED_PARAMS and NODE_ASAP.
	(generate_reg_moves): Pass ids to the SCHED_* macros.
	(update_node_sched_params): Take a ps insn identifier rather than
	a node as parameter.  Use ps_rtl_insn.
	(set_columns_for_ps): Update for above field and SCHED_* macro changes.
	(permute_partial_schedule): Use ps_rtl_insn and ps_first_note.
	(optimize_sc): Update for above field and SCHED_* macro changes.
	Update calls to try_scheduling_node_in_cycle and
	(duplicate_insns_of_cycles): Adjust for above field and SCHED_*
	macro changes.  Use ps_rtl_insn and ps_first_note.
	(sms_schedule): Pass ids to the SCHED_* macros.
	(get_sched_window): Adjust for above field and SCHED_* macro changes.
	Use NODE_ASAP instead of SCHED_ASAP.
	(try_scheduling_node_in_cycle): Remove node parameter.  Update
	call to ps_add_node_check_conflicts.  Pass ids to the SCHED_* macros.
	(sms_schedule_by_order): Update call to try_scheduling_node_in_cycle.
	(ps_insert_empty_row): Adjust for above field changes.
	(compute_split_row): Use ids rather than nodes.
	(verify_partial_schedule): Adjust for above field changes.
	(print_partial_schedule): Use ps_rtl_insn.
	(create_ps_insn): Take an id rather than a node.
	(ps_insn_find_column): Adjust for above field changes.
	Use ps_rtl_insn.
	(ps_insn_advance_column): Adjust for above field changes.
	(add_node_to_ps): Remove node parameter.  Update call to
	(ps_has_conflicts): Use ps_rtl_insn.
	(ps_add_node_check_conflicts): Replace node parameter than an id.

2011-10-10  Richard Sandiford  <>

	* modulo-sched.c (undo_replace_buff_elem): Delete.
	(generate_reg_moves): Don't build and return an undo list.
	(free_undo_replace_buff): Delete.
	(sms_schedule): Adjust call to generate_reg_moves.
	Don't call free_undo_replace_buff.

2011-10-10  Matthias Klose  <>

	* common/config/m32c: Remove empty directory.

2011-10-10  Georg-Johann Lay  <>

	* config/avr/ (*mulhi3_enh): Treat squaring smarter.

2011-10-10  Georg-Johann Lay  <>

	PR target/50652
	* config/avr/avr-mcus.def (AVR_MCU): Set .data_section_start of
	atmega164a to 0x100.

2011-10-09  Eric Botcazou  <>

	* tree-ssa-forwprop.c (forward_propagate_into_comparison): Do not make
	the replacement if the conversion to the LHS type is not useless.

2011-10-09  Ira Rosen  <>

	PR tree-optimization/50635
	* tree-vect-patterns.c (vect_handle_widen_mult_by_const): Add
	DEF_STMT to the list of statements to be replaced by the
	pattern statements.
	(vect_handle_widen_mult_by_const): Don't check TYPE_OUT.

2011-10-09  Anatoly Sokolov  <>

	* system.h: Commit forgotten hunk in previous patch.

2011-10-08  Nicola Pero  <>

	PR libobjc/50428
	* doc/objc.texi (Garbage Collection): Updated example to protect
	+initialize against execution in subclasses.

2011-10-07  Richard Henderson  <>

	* doc/extend.texi (__builtin_shuffle): Improve the description to
	include the modulus of the selector.  Mention OpenCL.
	* doc/md.texi (vec_perm, vec_perm_const): Document named patterns.

	* tree.def (VEC_PERM_EXPR): Rename from VEC_SHUFFLE_EXPR.
	* genopinit.c (optabs): Rename vshuffle to vec_perm.
	* c-typeck.c (c_build_vec_perm_expr): Rename from
	c_build_vec_shuffle_expr.  Update for name changes.
	* optabs.c (expand_vec_perm_expr_p): Rename from
	(expand_vec_perm_expr): Rename from expand_vec_shuffle_expr.
	* optabs.h (OTI_vec_perm): Rename from DOI_vshuffle.
	(vec_perm_optab): Rename from vshuffle_optab.
	* expr.c, gimple-pretty-print.c, gimple.c, gimplify.c,
	c-tree.h, c-parser.c, tree-cfg.c, tree-inline.c, tree-pretty-print.c,
	tree-ssa-operands.c, tree-vect-generic.c: Update for name changes.

	* config/i386/i386.c (ix86_expand_vec_perm): Rename from
	* config/i386/i386-protos.h: Update.
	* config/i386/ (VEC_PERM_AVX2): Rename from VSHUFFLE_AVX2.
	(vec_perm<VEC_PERM_AVX2>): Rename from vshuffle<VSHUFFLE_AVX2>.

2011-10-07  Richard Henderson  <>

	* config/i386/ (avx2_pblendw_operand): New.
	* config/i386/ (sse4_1_pblendw): Un-macroize.
	(avx2_pblendw, *avx2_pblendw): New expander and insn.

2011-10-07  Richard Henderson  <>

	* config/i386/i386.c (bdesc_args): Update code for
	__builtin_ia32_palignr256.  Change type of __builtin_ia32_pslldqi256,
	and __builtin_ia32_psrldqi256 to V4DI_FTYPE_V4DI_INT_CONVERT.
	(ix86_expand_args_builtin): Handle V4DI_FTYPE_V4DI_INT_CONVERT.
	* config/i386/ (mode iterator V16): Add V2TI.
	(mode iterator SSESCALARMODE): Use V2TI not V4DI.
	(mode attr ssse3_avx2): Add V2TI.
	(avx2_lshrqv4di3, avx2_lshlqv4di3): Remove.

2011-10-07  David S. Miller  <>

	PR 50655
	* Add .register directives to VIS3 test.
	* configure: Regenerate.

2011-10-07  Richard Henderson  <>

	* config.gcc (x86_64-*): Add core-avx-i, core-avx2 for with_cpu.

2011-10-07  Richard Henderson  <>

	PR 49752
	* fold-const.c (fold_checksum_tree): Remove out-of-date assert.

2011-10-07  Andrew Stubbs  <>

	* config/arm/ (shift_amount_operand): Remove constant
	range check.
	(shift_operator): Check range of constants for all shift operators.

2011-10-07  Andreas Krebbel  <>

	* config/s390/s390.c (s390_emit_tls_call_insn): Remove assertion.
	Load GOT pointer for non-pic builds.
	(s390_load_got): Replace pic_offset_table_rtx with hardcoded r12.
	(s390_emit_call): Likewise.

2011-10-07  Tom de Vries  <>

	PR middle-end/50527
	* tree.c (build_common_builtin_nodes): Add local_define_builtin for
	* builtins.c (expand_builtin_alloca): Handle BUILT_IN_ALLOCA_WITH_ALIGN
	arglist.  Set align for	BUILT_IN_ALLOCA_WITH_ALIGN.
	(expand_builtin): Handle BUILT_IN_ALLOCA_WITH_ALIGN.
	(is_inexpensive_builtin): Handle BUILT_IN_ALLOCA_WITH_ALIGN.
	* tree-ssa-ccp.c (evaluate_stmt): Set align for
	(fold_builtin_alloca_for_var): Rename to ...
	(fold_builtin_alloca_with_align): Set DECL_ALIGN from 2nd
	(ccp_fold_stmt): Try folding BUILT_IN_ALLOCA_WITH_ALIGN using
	(optimize_stack_restore): Handle BUILT_IN_ALLOCA_WITH_ALIGN.
	* builtins.def (BUILT_IN_ALLOCA_WITH_ALIGN): Declare using
	* ipa-pure-const.c (special_builtin_state): Handle
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1)
	(call_may_clobber_ref_p_1): Same.
	* function.c (gimplify_parameters): Lower vla to
	* gimplify.c (gimplify_vla_decl): Same.
	* cfgexpand.c (expand_call_stmt): Handle BUILT_IN_ALLOCA_WITH_ALIGN.
	* tree-mudflap.c (mf_xform_statements): Same.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary)
	(mark_all_reaching_defs_necessary_1, propagate_necessity): Same.
	* varasm.c (incorporeal_function_p): Same.
	* tree-object-size.c (alloc_object_size): Same.
	* gimple.c (gimple_build_call_from_tree): Same.

2011-10-07  Bernd Schmidt  <>

	* function.c (frame_required_for_rtx): Remove function.
	(requires_stack_frame_p): New arg set_up_by_prologue.  All callers
	changed.  Compute a set of mentioned registers and compare against
	the new arg rather than calling frame_required_for_rtx.
	(thread_prologue_and_epilogue_insns): Compute the set_up_by_prologue
	reg set.  Convert the unconverted_simple_returns mechanism to store
	jump insns rather than their basic blocks.  Also check the
	orig_entry_edge destination for new blocks.

2011-10-07  Jakub Jelinek  <>

	PR tree-optimization/50650
	* tree-vect-patterns.c (vect_recog_mixed_size_cond_pattern): Don't
	call vect_is_simple_cond here, instead fail if cond_expr isn't
	COMPARISON_CLASS_P or if get_vectype_for_scalar_type returns NULL
	for cond_expr's first operand.
	* tree-vect-stmts.c (vect_is_simple_cond): Static again.
	* tree-vectorizer.h (vect_is_simple_cond): Remove prototype.

2011-10-07  Andreas Krebbel  <>

	* config/s390/ (DWH, dwh): New mode macros.
	("umulsidi3"): Extend to support "umulditi3" as well.

2011-10-07  Uros Bizjak  <>
	    H.J. Lu  <>

	PR target/50603
	* config/i386/i386.c (ix86_fixup_binary_operands): Force src2 of
	integer PLUS RTX to a register to improve address combine.

2011-10-06  Richard Henderson  <>

	* combine-stack-adjust.c (maybe_move_args_size_note): Add after
	parameter; use it to decide whether to merge two notes.
	(combine_stack_adjustments_for_block): Use maybe_move_args_size_note
	for the deallocation case as well.

2011-10-06  Anatoly Sokolov  <>

	* system.h (OUTPUT_ADDR_CONST_EXTRA): Poison.
	* doc/ (OUTPUT_ADDR_CONST_EXTRA): Remove documentation.
	* doc/tm.texi: Regenerate.
	* target.def (output_addr_const_extra): Use
	* targhooks.c (default_asm_output_addr_const_extra): Remove.
	* targhooks.h (default_asm_output_addr_const_extra): Remove.
	* hooks.c (hook_bool_FILEptr_rtx_false): New functions.
	* hooks.h (hook_bool_FILEptr_rtx_false): Declare.

2011-10-06  David S. Miller  <>

	* config/sparc/ (popcount<mode>2, clz<mode>2): Split up into...
	(popcountdi2, popcountsi2, clzdi2, clzsi2): Explicit expanders, in the
	SI mode 64-bit code gen case explicitly zero-extend and truncate.
	(*popcount<mode>_sp64): Split up into...
	(*popcountdi_sp64, *popcountsi_64): Explicit instantiations, and in the
	SImode case use truncate.
	(*clzsi_sp64): Rewrite to use truncate, and let the expander emit the
	subtract so the compiler can optimize it.
	(SIDI): Remove unused mode iterator.

2011-10-06  Bernd Schmidt  <>

	* function.c (thread_prologue_and_epilogue_insns): Emit split prologue
	on the orig_entry_edge. Don't account for it in prologue_clobbered.

2011-10-06  Jakub Jelinek  <>

	PR tree-optimization/50596
	* tree-vectorizer.h (vect_is_simple_cond): New prototype.
	(NUM_PATTERNS): Change to 6.
	* tree-vect-patterns.c (vect_recog_mixed_size_cond_pattern): New
	(vect_vect_recog_func_ptrs): Add vect_recog_mixed_size_cond_pattern.
	(vect_mark_pattern_stmts): Don't create stmt_vinfo for def_stmt
	if it already has one, and don't set STMT_VINFO_VECTYPE in it
	if it is already set.
	* tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Handle
	COND_EXPR in pattern stmts.
	(vect_is_simple_cond): No longer static.

2001-10-06  Richard Henderson  <>

	* config/i386/i386.c (ix86_expand_vshuffle): Add AVX2 support.
	* config/i386/ (sseshuffint): Remove.
	(sseintvecmode): Support V16HI, V8HI, V32QI, V16QI.
	(VSHUFFLE_AVX2): New mode iterator.
	(vshuffle<mode>): Use it.
	(avx_vec_concat<V_256>): Rename from *vec_concat<V_256>_avx.

	* config/i386/i386.c (ix86_expand_sse_movcc): Use correct mode
	for vector_all_ones_operand.
	(ix86_expand_int_vcond): Distinguish between comparison mode
	and data mode.  Allow them to differ.
	(ix86_expand_vshuffle): Don't force data mode to match maskmode.

2001-10-06  Richard Henderson  <>

	* optabs.c (expand_vec_shuffle_expr): Use the proper mode for the
	mask operand.  Tidy the code.

2011-10-06  Jakub Jelinek  <>

	* tree-vect-patterns.c (vect_pattern_recog_1): Use
	vect_recog_func_ptr typedef for the first argument.
	(vect_pattern_recog): Rename vect_recog_func_ptr variable
	to vect_recog_func, use vect_recog_func_ptr typedef for it.

	PR tree-optimization/49279
	* tree-ssa-structalias.c (find_func_aliases): Don't handle
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Allow
	restrict propagation.
	* tree-ssa.c (useless_type_conversion_p): Don't return false
	if TYPE_RESTRICT differs.

2011-10-06  Bernd Schmidt  <>

	* function.c (thread_prologue_and_epilogue_insns): Build a vector
	of unconverted simple return blocks rather than trying to
	recompute them later based on bb_flags bitmap tests.

2011-10-06  Michael Matz  <>

	* tree-flow.h (get_var_ann): Don't declare.
	* tree-flow-inline.h (get_var_ann): Remove.
	(set_is_used): Use var_ann, not get_var_ann.
	* tree-dfa.c (add_referenced_var): Inline body of get_var_ann.
	* tree-profile.c (gimple_gen_edge_profiler): Call
	(gimple_gen_interval_profiler): Ditto.
	(gimple_gen_pow2_profiler): Ditto.
	(gimple_gen_one_value_profiler): Ditto.
	(gimple_gen_average_profiler): Ditto.
	(gimple_gen_ior_profiler): Ditto.
	(gimple_gen_ic_profiler): Ditto plus call add_referenced_var.
	(gimple_gen_ic_func_profiler): Call add_referenced_var.
	* tree-mudflap.c (execute_mudflap_function_ops): Call

2011-10-06  Jakub Jelinek  <>

	* tree-vect-patterns.c (vect_handle_widen_mult_by_const): For lhs
	don't set SSA_NAME_DEF_STMT that has been already set by
	(vect_recog_pow_pattern, vect_recog_widen_sum_pattern,
	vect_operation_fits_smaller_type, vect_recog_over_widening_pattern):

	* tree.h (avoid_folding_inline_builtin): New prototype.
	* builtins.c (avoid_folding_inline_builtin): No longer static.
	* gimple-fold.c (gimple_fold_builtin): Give up if
	avoid_folding_inline_builtin returns true.

2011-10-06  Richard Guenther  <>

	* tree-vect-generic.c (vector_element): Look at previous
	generated results.

2011-10-06  David Edelsohn  <>

	PR target/39950
	* config/rs6000/aix.h (TARGET_OS_AIX_CPP_BUILTINS): Define
	__powerpc__, __PPC__, __unix__.

2011-10-06  Michael Matz  <>

	* i386/i386.opt (recip_mask, recip_mask_explicit,
	x_recip_mask_explicit): New variables and cl_target member.
	(mrecip=): New option.
	* i386/ (divsf3): Check TARGET_RECIP_DIV.
	(sqrt<mode>2): Check TARGET_RECIP_SQRT.
	* i386/ (div<mode>3): Check TARGET_RECIP_VEC_DIV.
	(sqrt<mode>2): Check TARGET_RECIP_VEC_SQRT.
	* i386/i386.c (ix86_option_override_internal): Set recip_mask
	for -mrecip and -mrecip=options.
	(ix86_function_specific_save): Save recip_mask_explicit.
	(ix86_function_specific_restore): Restore recip_mask_explicit.

	* doc/invoke.texi (ix86 Options): Document the new option.

2011-10-06  Bernd Schmidt  <>

	PR target/49049
	* config/arm/ (arm_subsi3_insn): Lose the last alternative.

2011-10-06  Ulrich Weigand  <>

	PR target/50305
	* config/arm/arm.c (arm_legitimize_reload_address): Recognize
	output of a previous pass through legitimize_reload_address.
	Do not attempt to optimize addresses if the base register is
	equivalent to a constant.

2011-10-06  Andreas Krebbel  <>

	* function.c (thread_prologue_and_epilogue_insns): Mark
	last_bb_active as possibly unused.  It is unused for targets which
	do neither have "return" nor "simple_return" expanders.

2011-10-06  Richard Guenther  <>

	* fold-const.c (fold_ternary_loc): Also fold non-constant
	vector CONSTRUCTORs.  Make more efficient.
	* tree-ssa-dom.c (cprop_operand): Don't handle virtual operands.
	(cprop_into_stmt): Don't propagate into virtual operands.
	(optimize_stmt): Really dump original statement.

2011-10-06  Nick Clifton  <>

	* config/rx/ (smin3): Revert previous delta.

2011-10-06  Richard Guenther  <>

	PR tree-optimization/38884
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Handle partial
	reads from aggregate SSA names.

2011-10-05  Jakub Jelinek  <>

	* tree-vect-patterns.c (vect_pattern_recog_1): Add stmts_to_replace
	argument, truncate it at the beginning instead of allocating there
	and freeing at the end.
	(vect_pattern_recog): Allocate stmts_to_replace here and free at end,
	pass its address to vect_pattern_recog_1.

2011-10-05  David S. Miller  <>

	* config/sparc/sparc.opt (POPC): New option.
	* doc/invoke.texi: Document it.
	* config/sparc/sparc.c (sparc_option_override): Enable MASK_POPC by
	default on Niagara-2 and later.
	* config/sparc/sparc.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
	* config/sparc/ (SIDI): New mode iterator.
	(ffsdi2): Delete commented out pattern and comments.
	(popcount<mode>2, clz<mode>2): New expanders.
	(*popcount<mode>_sp64, popcountsi_v8plus, popcountdi_v8plus,
	*clzdi_sp64, clzdi_v8plus, *clzsi_sp64, clzsi_v8plus): New insns.

2011-10-06  Artjoms Sinkarovs  <>

	PR middle-end/50607
	* c-tree.h (c_expr_t): New typedef for struct c_expr.
	(C_EXPR_APPEND): New macro.
	* c-parser.c (c_parser_get_builtin_args): Preserve
	original_tree_code of c_expr structure.
	(c_parser_postfix_expression): Adjust to the new function.

2011-10-05  Bernd Schmidt  <>

	* function.c (thread_prologue_and_epilogue_insns): Don't shrink-wrap
	if profiling after the prologue.

2011-10-05  Jakub Jelinek  <>

	PR tree-optimization/50613
	* tree-ssa-strlen.c (find_equal_ptrs): If CASE_CONVERT
	operand is ADDR_EXPR, fallthru into ADDR_EXPR handling,
	and if it is neither that not SSA_NAME, give up.

2011-10-05  Richard Henderson  <>

	* tree-vect-generic.c (vector_element): Never fail.  Use
	build_zero_cst.  Tidy up type references.
	(lower_vec_shuffle): Never fail.  Mask shuffle indicies.  Reduce
	code duplication.  Do update_stmt here ...
	(expand_vector_operations_1): ... not here.

	* config/i386/i386.c (ix86_expand_vshuffle): Never fail.  Handle
	TARGET_XOP.  Fix pshufb constant vector creation.  Reduce code
	duplication.  Handle V2DI without SSE4.1.
	* config/i386/i386-protos.h (ix86_expand_vshuffle): Update decl.
	* config/i386/ (vshuffle<V_128>): Remove assert for ok.

2011-10-05  Uros Bizjak  <>

	* config/i386/i386.c (distance_non_agu_define): Simplify calculation
	of "found".  Simplify return value calculation.
	(distance_agu_use): Ditto.

2011-10-05  Bernd Schmidt  <>

	PR bootstrap/50621
	* config/i386/i386.c (ix86_add_cfa_restore_note): Omit notes only
	if the function was not shrink-wrapped.
	(ix86_expand_epilogue): Ensure queued cfa_adjust notes are attached
	to an insn.
	* function.c (thread_prologue_and_epilogue_insns): Make sure the
	shrink_wrapped flag is set even if there is no dump file.

2011-10-05  DJ Delorie  <>
	    Nick Clifton  <>

	* config/rx/rx.opt (mpid): Define.
	* config/rx/t-rx (MULTILIB_OPTIONS): Add -mpid
	* config/rx/rx.c (rx_gp_base_regnum_val, rx_pid_base_regnum_val)
	(rx_num_interrupt_regs): New variable.
	(rx_gp_base_regnum): New function.  Returns the number of the
	small data area register.
	(rx_pid_base_regnum): New function.  Returns the number of the pid
	base register.
	(rx_decl_for_addr): New function.  Returns the symbolic part of a MEM.
	(rx_pid_data_operand): New function.  Returns whether an object is
	in the position independent data area.
	(rx_legitimize_address): New function.  Puts undecided PID
	objects in the PID data area.
	(rx_is_legitimate_address): Add support for PID operands.
	(rx_print_operand_address): Likewise.
	(rx_print_operand): Likewise.
	(rx_maybe_pidify_operand): New function.  Determine if an operand
	is suitable for PID addressing.
	(rx_gen_move_template): Add PID support.
	(rx_conditional_register_usage): Likewise.
	(rx_option_override): Initialise rx_num_interrupt_regs.
	(rx_is_legitimate_constant): Add support for PID constants.
	* config/rx/ (Rpid): Define.
	(Rpda): Define.
	* config/rx/ (UNSPEC_PID_ADDR): Define.
	(tablejump): Add PID support.
	(mov<>): Likewise.
	(mov<>_internal): Likewise.
	(addsi3): Convert to an expander.  Add PID support.
	(pid_addr): New pattern.
	* config/rx/rx.h (CPP_SPEC): Define.
	(ASM_SPEC): Pass -mpid and -mint-register on to assembler.
	* config/rx/rx-protos.h (rx_maybe_pidify_operand): Prototype.
	* doc/invoke.texi (RX Options): Document -mpid command line option.

2011-10-05  Richard Guenther  <>

	PR tree-optimization/38885
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Handle partial reads
	from constants.

2011-10-05  Bernd Schmidt  <>

	* doc/invoke.texi (-fshrink-wrap): Document.
	* opts.c (default_options_table): Add it.
	* common.opt (fshrink-wrap): Add.
	* function.c (emit_return_into_block): Remove useless declaration.
	(record_hard_reg_uses_1, record_hard_reg_uses, frame_required_for_rtx,
	requires_stack_frame_p, gen_return_pattern): New static functions.
	(emit_return_into_block): New arg simple_p.  All callers changed.
	Use gen_return_pattern.
	(thread_prologue_and_epilogue_insns): Implement shrink-wrapping.
	* config/i386/ (return): Expand into a simple_return.
	(simple_return): New expander):
	(simple_return_internal, simple_return_internal_long,
	simple_return_pop_internal_long, simple_return_indirect_internal):
	Renamed from return_internal, return_internal_long,
	return_pop_internal_long and return_indirect_internal; changed to use
	* config/i386/i386.c (ix86_expand_epilogue): Adjust to expand
	simple returns.
	(ix86_pad_returns): Likewise.
	* function.h (struct rtl_data): Add member shrink_wrapped.
	* cfgcleanup.c (outgoing_edges_match): If shrink-wrapped, edges that
	are not jumps or sibcalls can't be compared.

2011-10-05  Richard Guenther  <>

	* tree-ssa-sccvn.c (vn_get_expr_for): Handle CONSTRUCTOR of
	vector type.
	(simplify_unary_expression): Handle BIT_FIELD_REFs.
	(try_to_simplify): Handle BIT_FIELD_REFs.

2011-10-05  Georg-Johann Lay  <>

	* config/avr/avr-protos.h (avr_out_addto_sp): New prototype.
	* config/avr/avr.c (avr_out_addto_sp): New function.
	(adjust_insn_length): Handle ADJUST_LEN_ADDTO_SP.
	* config/avr/ (adjust_len): Add "addto_sp".
	(*movhi_sp): Remove insn.
	(*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): Merge to *addhi3_sp_R.

2011-10-05  Richard Guenther  <>

	* gimple-fold.c (gimple_fold_stmt_to_constant_1): For ternary ops
	with an embedded expression valueize and fold that as well.
	* tree-ssa-sccvn.c (try_to_simplify): Also allow SSA name
	results from gimple_fold_stmt_to_constant_1.

2011-10-05  Nick Clifton  <>

	* config/rx/ (tablejump): Add missing label.
	(adddi3_internal): Mark operand 0 as early-clobbered.
	(smaxsi3): Revert previous delta.
	(adc_internal): Fix whitespace in generated asm.
	(adc_flags): Likewise.

2011-10-05  Andreas Krebbel  <>

	* expmed.c (expand_mult_highpart_optab): Replace optab_handler
	with the new widening_optab_handler.

2011-10-05  Richard Guenther  <>

	PR tree-optimization/50609
	* gimple-fold.c (fold_array_ctor_reference): Also handle
	vector typed constructors.
	(fold_ctor_reference): Dispatch to fold_array_ctor_reference
	for vector typed constructors.

2011-10-05  Uros Bizjak  <>

	* config/i386/i386.c (ix86_emit_binop): New static function.
	(ix86_split_lea_for_addr): Use ix86_emit_binop to emit add and shl
	(x86_output_mi_thunk): Use ix86_emit_binop to emit add instructions.

2011-10-04  David S. Miller  <>

	* config/sparc/ (UNSPEC_FHADD, UNSPEC_FHSUB,
	UNSPEC_XMUL): New unspecs.
	(muldi3_v8plus): Use output_v8plus_mult.
	(*naddsf3, *nadddf3, *nmulsf3, *nmuldf3, *nmuldf3_extend):
	New VIS 3.0 combiner patterns.
	(fhaddsf_vis, fhadddf_vis, fhsubsf_vis, fhsubdf_vis,
	fnhaddsf_vis, fnhaddf_vis, umulxhi_vis, *umulxhi_sp64,
	umulxhi_v8plus, xmulx_vis, *xmulx_sp64, xmulx_v8plus,
	xmulxhi_vis, *xmulxhi_sp64, xmulxhi_v8plus): New VIS 3.0
	builtins patterns.
	* config/sparc/sparc.c (sparc_vis_init_builtins): Emit new builtins.
	(output_v8plus_mult): New function.
	* config/sparc/sparc-protos.h: Declare it.
	* config/sparc/visintrin.h (__vis_fhadds, __vis_fhaddd,
	__vis_fhsubs, __vis_fhsubd, __vis_fnhadds, __vis_fnhaddd,
	__vis_umulxhi, __vis_xmulx, __vis_xmulxhi): New intrinsics.
	* doc/extend.texi: Document new builtins.

2011-10-04  Richard Henderson  <>

	* c-typeck.c (c_build_vec_shuffle_expr): Fix uninitialized variable.
	Avoid save_expr unless two_arguments.

2011-10-04  Ozkan Sezer  <>

	* config/i386/mingw-w64.h (CPP_SPEC): Rename _REENTRANCE to _REENTRANT.
	* config/i386/mingw32.h (CPP_SPEC): Likewise.

2011-10-04  David S. Miller  <>

	* config/sparc/driver-sparc.c (cpu_names): Fix string for supersparc
	under Linux.

2011-10-04  Jakub Jelinek  <>

	PR tree-optimization/50604
	* builtins.c (fold_builtin_strcpy, fold_builtin_stpcpy,
	fold_builtin_strncpy, fold_builtin_stxcpy_chk): Ensure
	last argument to memcpy has size_type_node type instead of ssizetype.
	* tree-ssa-strlen.c (handle_builtin_memcpy): Use size_type_node
	instead of TREE_TYPE (len) as type for newlen.

	PR tree-optimization/50522
	* tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Don't test
	(ptr_derefs_may_alias_p): Call pt_solutions_same_restrict_base

	* fold-const.c (fold_unary_loc): Don't optimize
	casting the inner pointer if it isn't TYPE_RESTRICT.
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't through
	casts from non-TYPE_RESTRICT pointer to TYPE_RESTRICT pointer.

2011-10-04  Joseph Myers  <>

	* config.gcc (i[34567]86-*-elf*, x86_64-*-elf*): Use i386/t-crtstuff.

2011-10-04  Jan Hubicka  <>

	* lto-streamer.h (lto_input_toplevel_asms): Add order_base parameter.
	* lto-streamer-in.c (lto_input_toplevel_asms): Stream in order.
	* lto-streamer-out.c (lto_output_toplevel_asms): Stream out order.
	* lto-cgraph.c (order_base): New static var.
	(lto_output_node): Stream in order.
	(lto_output_varpool_node): Stream out order.
	(input_node): Stream in order.
	(input_varpool_node): Stream out order.
	(input_cgraph_1): Initialize order base; update call of

2011-10-04  Georg-Johann Lay  <>

	PR target/50566
	* config/avr/avr-protos.h (avr_legitimize_reload_address): New
	* config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Copy worker code
	from here...
	* config/avr/avr.c (avr_legitimize_reload_address) this new
	function.  Log if avr_log.legitimize_reload_address.

2011-10-04  Eric Botcazou  <>

	* config/sparc/sparc.c (sparc_fold_builtin): Use a sequence of tests.

2011-10-04  Andreas Krebbel  <>

	* longlong.h (smul_ppmm, sdiv_qrnnd): Add underscores to the local
	variables.  Fix second operand of DR.  Swap inputs for sdiv_qrnnd.

2011-10-03  David S. Miller  <>

	* config/sparc/ (fpack16_vis, fpackfix_vis, fpack32_vis): Make
	GSR_REG an input operand to UNSPEC instead of a parallel USE.
	(faligndata<V64I:mode>_vis): Likewise and use DI mode.
	(alignaddrsi_vis, alignaddrdi_vis, alignaddrlsi_vis, alignaddrldi_vis):
	Reference GSR_REG in DI mode, simplify convoluted expressions by using
	(bshuffle<V64I:mode>_vis): Reference GSR_REG in DI mode.

2011-10-03  Maxim Kuvyrkov  <>

	* tree-eh.c (remove_unreachable_handlers): Obvious cleanup.

2011-10-03  Jakub Jelinek  <>
	    Ian Lance Taylor  <>

	* godump.c (go_output_typedef): Support printing enum values that
	don't fit in a signed HOST_WIDE_INT.

2011-10-03  Anatoly Sokolov  <>

	* config/cris/cris.c (cris_output_addr_const_extra): Make static.
	* config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
	* config/cris/cris-protos.h (cris_output_addr_const_extra): Remove.

2011-10-03  Anatoly Sokolov  <>

	* config/m68k/m68k.c (m68k_output_addr_const_extra): Make static.
	* config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
	* config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Remove.

2011-10-03  Steve Ellcey  <>

	PR target/49967
	* (gcc_cv_ld_static_dynamic): Define for *-*-hpux*.
	(gcc_cv_ld_static_option): Ditto.
	(gcc_cv_ld_dynamic_option): Ditto.
	* configure: Regenerate.

2011-10-03  David S. Miller  <>

	* config/sparc/ (bmask<P:mode>_vis): Split into explicit 'di'
	and 'si' patterns which describe the GSR changes explicitly in the
	RTL using zero_extract.
	(bshuffle<V64I:mode>_vis): Put the GSR use inside of the unspec.

	* config/sparc/ (bshuffle<V64I:mode>_vis): Don't wrap
	GSR_REG in a USE, since it's now a true arg to the UNSPEC.

2011-10-03  Artjoms Sinkarovs  <>

	* optabs.c (expand_vec_shuffle_expr_p): New function. Checks
	if given expression can be expanded by the target.
	(expand_vec_shuffle_expr): New function. Expand VEC_SHUFFLE_EXPR
	using target vector instructions.
	* optabs.h: New optab vshuffle.
	(expand_vec_shuffle_expr_p): New prototype.
	(expand_vec_shuffle_expr): New prototype.
	(vshuffle_optab): New optab.
	* genopinit.c: Adjust to support vecshuffle.
	* c-tree.h (c_build_vec_shuffle_expr): New prototype.
	* expr.c (expand_expr_real_2): Adjust.
	* c-typeck.c: (c_build_vec_shuffle_expr): Build a VEC_SHUFFLE_EXPR
	recognizing the cases of two and three arguments.
	(convert_arguments) (build_binary_op)
	(scalar_to_vector) (build_array_ref): Spurious whitespace.
	* gimplify.c (gimplify_exp): Adjusted to support VEC_SHUFFLE_EXPR.
	* tree.def: New tree code VEC_SHUFFLE_EXPR.
	* tree-inline.c (estimate_operator_cost): Recognize VEC_SHUFFLE_EXPR.
	* tree-vect-generic.c (vector_element): New function. Returns an
	element of the vector at the given position.
	(lower_vec_shuffle): Checks if VEC_SHUFLLE_EXPR is supported
	by the backend or expand an expression piecewise.
	(expand_vector_operations_1): Adjusted.
	(gate_expand_vector_operations_noop): New gate function.
	* (tree-vect-generic.o): New include.
	* gimple.c (get_gimple_rhs_num_ops): Adjust.
	* tree-cfg.c (verify_gimple_assign_trenary): Verify VEC_SHUFFLE_EXPR.
	* passes.c: Move veclower down.
	* tree-pretty-print.c (dump_generic_node): Recognize
	VEC_SHUFFLE_EXPR as valid expression.
	* c-parser.c (c_parser_get_builtin_args): Helper function for the
	builtins with variable number of arguments.
	(c_parser_postfix_expression): Use a new helper function for
	* tree-ssa-operands: Adjust.
	* c-family/c-common.c: New __builtin_shuffle keyword.
	* c-family/c-common.h: New __builtin_shuffle keyword.
	* gcc/doc/extend.texi: Adjust.

	* gcc/config/i386/ (sseshuffint) New mode_attr.  Correspondence
	between the vector and the type of the mask when shuffling.
	(vecshuffle<mode>): New expansion.
	* gcc/config/i386/i386-protos.h (ix86_expand_vshuffle): New prototype.
	* gcc/config/i386/i386.c (ix86_expand_vshuffle): New function.
	(ix86_vectorize_builtin_vec_perm_ok): Adjust.

2011-10-03  Jakub Jelinek  <>

	PR tree-optimization/50587
	* tree-ssa-reassoc.c (init_range_entry): Stop iterating when
	arg0 is not a SSA_NAME.

2011-10-03  Richard Sandiford  <>

	* ipa-inline-analysis.c (MAX_TIME): Update comment.

2011-10-02  Richard Henderson  <>
	    David S. Miller  <>

	* config/sparc/ (ashlsi3, *ashldi3_sp64): Remove
	conditional insn type setting, we always emit a shift.
	(*ashlsi3_extend, *lshrsi3_extend0): New patterns.
	(*lshrsi3_extend): Rename to *lshrsi3_extend1.
	* config/sparc/ (const_one_operand): Delete.

2011-10-02  Gerald Pfeifer  <>

	* invoke.texi (SPARC Options): Refer to GNU/Linux.

2011-10-02  Richard Sandiford  <>

	* config/mips/mips.c (mips_frame_barrier): New function.
	(mips_expand_prologue): Call it after allocating stack space.
	(mips_deallocate_stack): New function.
	(mips_expand_epilogue): Call mips_frame_barrier and

2011-10-02  Richard Sandiford  <>

	PR target/49696
	* config/mips/ (sync_<optab>_12): Allow zero operands.
	(sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12): Likewise.
	(sync_old_nand_12, sync_new_nand_12, test_and_set_12): Likewise.

2011-10-02  Jan Hubicka  <>

	* cgraphunit.c (verify_edge_count_and_frequency): Bounds check.

	* cgraphunit.c (ipa_passes): Remove unrechable nodes.
	* lto-streamer-out.c (produce_symtab): Skip unused extern declarations.
	* ipa.c (cgraph_remove_unreachable_nodes): Do not assume that external
	functions are reachable when address is taken.
	* tree-sra.c (modify_function): Free dominance info.

2011-10-02  Jan Hubicka  <>

	* ipa-inline-analysis.c (inline_summary_alloc): Bounds check.

	* ipa-inline-analysis.c (reset_inline_edge_summary): New function.
	(reset_inline_summary): New function.
	(compute_inline_parameters, inline_node_removal_hook,
	inline_edge_removal_hook): Use it.
	(inline_free_summary): Reset holders correctly.
	(inline_generate_summary): Free summary before computing it.

2011-10-02  Paolo Carlini  <>

	PR preprocessor/36819
	* incpath.c (merge_include_chains): Call free_path on
	heads[QUOTE] and tails[QUOTE].

2011-10-02  Jan Hubicka  <>

	PR lto/47247
	* lto-symtab.c (lto_symtab_resolve_symbols): Do not resolve
	when resolution is already availbale from plugin.
	(lto_symtab_merge_decls_1): Handle LDPR_PREVAILING_DEF_IRONLY_EXP.
	* cgraph.c (ld_plugin_symbol_resolution): Add
	* lto-cgraph.c (LDPR_NUM_KNOWN): Update.
	* ipa.c (varpool_externally_visible_p): IRONLY variables are never
	externally visible.
	* varasm.c (resolution_to_local_definition_p): Add
	(resolution_local_p): Likewise.

2011-10-01  David S. Miller  <>

	* config/sparc/sparc.opt (VIS3): New option.
	* doc/invoke.texi: Document it.
	* config/sparc/sparc.h: Force TARGET_VIS3 to zero if assembler is
	not capable of such instructions.
	* config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__
	to 0x300 when TARGET_VIS3.
	* config/sparc/sparc-modes.def: Create 16-byte vector modes.
	(V64N8, VASS): New mode iterators.
	(vis3_shift, vis3_addsub_ss): New code iterators.
	(vbits, vconstr): New mode attributes.
	(vis3_shift_insn, vis3_addsub_ss_insn): New code attributes.
	(cmask8<P:mode>_vis, cmask16<P:mode>_vis, cmask32<P:mode>_vis,
	fchksm16_vis, <vis3_shift_insn><vbits>_vis, pdistn<mode>_vis,
	fmean16_vis, fpadd64_vis, fpsub64_vis,
	<vis3_addsub_ss_insn><vbits>_vis, fucmp<code>8<P:mode>_vis): New
	VIS 3.0 instruction patterns.
	* config/sparc/sparc.c (sparc_option_override): Set MASK_VIS3 by
	default when targetting capable cpus.  TARGET_VIS3 implies
	TARGET_VIS2 and TARGET_VIS, and clear them when TARGET_FPU is disabled.
	(sparc_vis_init_builtins): Emit new VIS 3.0 builtins.
	(sparc_fold_builtin): Do not eliminate cmask{8,16,32} when result
	is ignored.
	* config/sparc/visintrin.h (__vis_cmask8, __vis_cmask16,
	__vis_cmask32, __vis_fchksm16, __vis_fsll16, __vis_fslas16,
	__vis_fsrl16, __vis_fsra16, __vis_fsll32, __vis_fslas32,
	__vis_fsrl32, __vis_fsra32, __vis_pdistn, __vis_fmean16,
	__vis_fpadd64, __vis_fpsub64, __vis_fpadds16, __vis_fpadds16s,
	__vis_fpsubs16, __vis_fpsubs16s, __vis_fpadds32, __vis_fpadds32s,
	__vis_fpsubs32, __vis_fpsubs32s, __vis_fucmple8, __vis_fucmpne8,
	__vis_fucmpgt8, __vis_fucmpeq8): New VIS 3.0 interfaces.
	* doc/extend.texi: Document new VIS 3.0 builtins.

2011-10-01  Eric Botcazou  <>

	* ira-color.c (assign_hard_reg): Fix typo.

2011-09-30  H.J. Lu  <>

	* doc/extend.texi: Add missing ','.

2011-09-30  Bernd Schmidt  <>

	* common/config/c6x/c6x-common.c (c6x_option_optimization_table):
	Enable -fmodulo-sched at -O2 and above.
	* config/c6x/ (doloop_end): New expander.
	(mvilc, sploop, spkernel, loop_end): New patterns.
	(loop_end with memory destination splitter): New.
	* config/c6x/c6x.c: Include "hw-doloop.h".
	(enum unitreqs): New.
	(unit_req_table): New typedef.
	(unit_reqs): New static variable.
	(unit_req_factor, get_unit_reqs, count_unit_reqs, merge_unit_reqs,
	res_mii, split_delayed_nonbranch, undo_split_delayed_nonbranch,
	hwloop_pattern_reg, bb_earliest_end_cycle, filter_insns_above,
	hwloop_optimize, hwloop_fail, c6x_hwloops): New static functions.
	(struct c6x_sched_context): New member last_scheduled_iter0.
	(init_sched_state): Initialize it.
	(c6x_variable_issue): Update it.
	(sploop_max_uid_iter0): New static variable.
	(c6x_sched_reorder_1): Be careful about issuing sploop.
	(c6x_reorg): Call c6x_hwlooops before the final schedule.

2011-09-30  Georg-Johann Lay  <>

	PR target/50566
	* config/avr/avr-protos.h (avr_log_t): New field address_cost.
	* config/avr/avr.c (avr_address_cost): Use it.
	* config/avr/avr-log.c (avr_log_set_avr_log): Initialize it.
	(avr_log_vadump): Unknown %-codes finish printing.

2011-09-30  Jakub Jelinek  <>

	PR inline-asm/50571
	* gimple-fold.c (fold_stmt_1) <case GIMPLE_ASM>: If
	input constraints allow mem and not reg, pass true instead of
	false as second argument to maybe_fold_reference.

	PR tree-optimization/46309
	* fold-const.c (make_range, merge_ranges): Remove prototypes.
	(make_range_step): New function.
	(make_range): Use it.
	* tree.h (make_range_step): New prototypes.
	* (tree-ssa-reassoc.o): Depend on $(DIAGNOSTIC_CORE_H).
	* tree-ssa-reassoc.c: Include diagnostic-core.h.
	(struct range_entry): New type.
	(init_range_entry, range_entry_cmp, update_range_test,
	optimize_range_tests): New functions.
	(reassociate_bb): Call optimize_range_tests.

2011-09-30  Jakub Jelinek  <>
	    Richard Guenther  <>

	* tree-ssa-structalias.c (find_func_aliases_for_builtin_call): Handle
	* tree-ssa-alias.c (call_may_clobber_ref_p_1): Likewise.  Fix
	(ref_maybe_used_by_call_p_1): Fix handling of BUILT_IN_STRCAT,

2011-09-30  Jan Beulich  <>

	* lto-cgraph.c (output_cgraph): Remove processing of
	'cgraph_asm_nodes', call lto_output_toplevel_asms() instead.
	(input_cgraph_1): Remove loop calling cgraph_add_asm_node(), call
	lto_input_toplevel_asms() instead.
	* lto-section-in.c (lto_section_name): Add "asm" entry.
	* lto-streamer-in.c (lto_input_toplevel_asms): New.
	* lto-streamer-out.c (lto_output_toplevel_asms): New.
	* lto-streamer.h (LTO_minor_version): Bump.
	(enum lto_section_type): Add LTO_section_asm.
	(struct lto_asm_header): New.
	(lto_input_toplevel_asms, lto_output_toplevel_asms): Declare.
	* tree-streamer.h (streamer_write_string_cst): Declare.
	* tree-streamer-out.c (write_string_cst): Rename to
	streamer_write_string_cst and make global. Handle incoming string
	being NULL.
	(streamer_write_tree_header): Adjust call to renamed function.

2011-09-30  Bernd Schmidt  <>

	* haifa-sched.c (modulo_ii, modulo_max_states, modulo_n_insns,
	modulo_insns_scheduled, modulo_iter0_max_uid, modulo_backtracks_left,
	modulo_last_stage): New static variables.
	(set_modulo_params, discard_delay_pairs_above): New functions.
	(struct delay_pair): New member stages.
	(htab_i2_traverse, htab_i1_traverse): New static functions.
	(record_delay_slot_pair): New arg stages.  All callers changed.
	Record it.
	(pair_delay): Take stages into account.
	(add_delay_dependencies): Don't do so for stage pairs.
	(struct sched_block_state): New member modulo_epilogue.
	(save_backtrack_point): Don't set SHADOW_P for stage pairs.
	(unschedule_insns_until): Decrease modulo_insns_scheduled.
	Set HARD_DEP without using or.
	(resolve_dependencies): New static function.
	(prune_ready_list): New arg modulo_epilogue_p.  All callers changed.
	If it is true, allow only insns with INSN_EXACT_TICK set.
	(schedule_block): Return bool, always true for normal scheduling,
	true or false depending on modulo scheduling success otherwise.
	Add bookkeeping for modulo scheduling, and call resolve_dependencies
	on everything left over after a modulo schedule.
	(haifa_sched_init): Remove check_cfg call.  Clear modulo_ii.
	* sched-int.h (schedule_block, record_delay_slot_pair): Adjust
	(set_modulo_params, discard_delay_pairs_above): Declare.
	* doc/invoke.texi (--param): Document it.

	* sched-ebb.c (schedule_ebb): No longer static.  Remove declaration.
	New arg modulo_scheduling.  All callers changed.  Move note handling
	code here from schedule_ebbs.
	(schedule_ebbs_finish, schedule_ebbs_init): New functions, broken
	out of schedule_ebbs.
	(schedule_ebbs): Call them.  Remove note handling code moved to
	* sched-int.h (schedule_ebb, schedule_ebbs_init,
	schedule_ebbs_finish): Declare.

2011-09-30  Richard Guenther  <>

	PR middle-end/50574
	* tree-cfg.c (verify_gimple_comparison): Compare component
	mode sizes for vector comparisons.

2011-09-30  Revital Eres  <>

	* ddg.c (autoinc_var_is_used_p): New function.
	add_cross_iteration_register_deps): Call it.
	* ddg.h (autoinc_var_is_used_p): Declare.
	* modulo-sched.c (generate_reg_moves): Call autoinc_var_is_used_p.
	(sms_schedule): Handle instructions with REG_INC.

2011-09-30  Revital Eres  <>

	* modulo-sched.c (generate_reg_moves): Skip instructions that
	do not set a register and verify no regmoves are created for
	!single_set instructions.

2011-09-30  Bernd Schmidt  <>

	* hw-doloop.c (scan_loop): Compute register usage only for non-debug

2011-09-30  Ramana Radhakrishnan  <>

	PR target/50099
	* config/arm/ (qhs_zextenddi_cstr): New.
	(qhs_zextenddi_op): New.
	* config/arm/ ("zero_extend<mode>di2"): Use them.
	* config/arm/ ("arm_extendqisi_mem_op"):
	Distinguish between ARM and Thumb2 states.

2011-09-30  David S. Miller  <>

	* config/sparc/sparc.opt (VIS2): New option.
	* doc/invoke.texi: Document it.
	* config/sparc/ (UNSPEC_EDGE8N, UNSPEC_EDGE8LN,
	(define_attr type): New insn type 'edgen'.
	(bmask<P:mode>_vis, bshuffle<V64I:mode>_vis, edge8n<P:mode>_vis,
	edge8ln<P:mode>_vis, edge16n<P:mode>_vis, edge16ln<P:mode>_vis,
	edge32n<P:mode>_vis, edge32ln<P:mode>_vis): New insn VIS 2.0
	* Handle edgen.
	* Likewise.
	* Likewise.
	* Likewise.
	* config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__
	to 0x200 when TARGET_VIS2.
	* config/sparc/sparc.c (sparc_option_override): Set MASK_VIS2 by
	default when targetting capable cpus.  TARGET_VIS2 implies
	TARGET_VIS, clear and it when TARGET_FPU is disabled.
	(sparc_vis_init_builtins): Emit new VIS 2.0 builtins.
	(sparc_expand_builtin): Fix predicate indexing when builtin returns
	(sparc_fold_builtin): Do not eliminate bmask when result is ignored.
	* config/sparc/visintrin.h (__vis_bmask, __vis_bshuffledi,
	__vis_bshufflev2si, __vis_bshufflev4hi, __vis_bshufflev8qi,
	__vis_edge8n, __vis_edge8ln, __vis_edge16n, __vis_edge16ln,
	__vis_edge32n, __vis_edge32ln): New VIS 2.0 interfaces.
	* doc/extend.texi: Document new VIS 2.0 builtins.

2011-09-29  Nick Clifton  <>
	    Bernd Schmidt  <>

	* config/frv/frvbegin.c: Fix location of unwind-dw2-fde.h header file.
	* config/frv/frvend.c: Likewise.
	* config/frv/frv.c (frv_function_prologue): Move misplaced
	CALL_ARG_LOCATION notes back to their proper locations.

2011-09-29  Georg-Johann Lay  <>

	PR target/50566
	* config/avr/avr-log.c (avr_log_vadump): Use %b to print bool.
	* config/avr/avr.c (avr_rtx_costs_1): New static function, renamed
	from avr_rtx_costs.
	(avr_legitimate_address_p): Use avr_edump to print log information
	filtered by avr_log.
	(extra_constraint_Q): Ditto.
	(avr_legitimize_address): Ditto.
	(avr_rtx_costs): Ditto.  Rewrite as wrapper for avr_rtx_costs_1.
	(final_prescan_insn): Use avr_log.rtx_costs as filter.

2011-09-29  Richard Sandiford  <>

	* config/arm/arm-protos.h (arm_modes_tieable_p): Declare.
	* config/arm/arm.h (MODES_TIEABLE_P): Use it.
	* config/arm/arm.c (arm_modes_tieable_p): New function.  Allow
	NEON vector and structure modes to be tied.

2011-09-29  Bill Schmidt  <>

	* graphite-scop-detection.c (make_close_phi_nodes_unique):  New
	forward declaration.
	(remove_duplicate_close_phi): Detect and repair creation of
	duplicate close-phis for a containing loop.

2011-09-27  Andi Kleen  <>

	* gcc.c (get_local_tick). Rename to get_random_number.  Read from
	/dev/urandom.  Add getpid call.
	(compare_debug_dump_opt_spec_function): Drop getpid call.

2011-09-26  Andi Kleen  <>

	* toplev.c (init_local_tick): Try reading random seed
	from /dev/urandom.

2011-09-26  Andi Kleen  <>

	* lto-streamer.c (lto_get_section_name): Remove crc32_string.
	Handle numerical random seed.
	* lto-streamer.h (lto_file_decl_data): Change id to
	unsigned HOST_WIDE_INT.
	* toplev.c (random_seed): Add.
	(init_random_seed): Change for numerical random seed.
	(get_random_seed): Return as HOST_WIDE_INT.
	(set_random_seed): Crc32 existing string.
	* toplev.h (get_random_seed): Change to numercal return.
	* tree.c (get_file_function_name): Remove CRC. Handle
	numerical random seed.

2011-09-29  Georg-Johann Lay  <>

	PR target/50566
	* config.gcc (extra_objs): Add avr-log.o for $target in:
	avr-*-rtems*, avr-*-*.
	* config/avr/t-avr (avr-log.o): New rule to compile...
	* config/avr/avr-log.c: ...this new file.
	* config/avr/avr.opt (mlog=): New option.
	* config/avr/avr-protos.h (avr_edump, avr_fdump): New macros.
	(avr_log_set_caller_e, avr_log_set_caller_f): New prototypes.
	(avr_log_set_avr_log): New prototype.
	(avr_log_t): New typedef.
	(avr_log): New declaration.
	* config/avr/avr.c (avr_option_override): Call avr_log_set_avr_log.

2011-09-29  Artjoms Sinkarovs <>

	* expr.c (do_store_flag): Expand vector comparison by
	building an appropriate VEC_COND_EXPR.
	* c-typeck.c (build_binary_op): Typecheck vector comparisons.
	(c_objc_common_truthvalue_conversion): Adjust.
	* tree-vect-generic.c (do_compare): Helper function.
	(expand_vector_comparison): Check if hardware supports
	vector comparison of the given type or expand vector piecewise.
	(expand_vector_operation): Treat comparison as binary
	operation of vector type.
	(expand_vector_operations_1): Adjust.

2011-09-29  Richard Guenther  <>

	* tree.c (build_opaque_vector_type): Make opaque vectors
	variant types of the corresponding non-opaque type.  Make
	sure to share opaque vector types properly.

2011-09-29  David S. Miller  <>

	* config/sparc/ (UNSPEC_ARRAY8, UNSPEC_ARRAY16,
	UNSPEC_ARRAY32): New unspec.
	(define_attr type): New type 'array'.
	(array{8,16,32}<P:mode>_vis): New patterns.
	* config/sparc/ Add reservations for 'array'.
	* config/sparc/ Likewise.
	* config/sparc/ Likewise.
	* config/sparc/ Likewise.
	* config/sparc/sparc.c (sparc_vis_init_builtins): Build new
	array builtins.
	* config/sparc/visintrin.h (__vis_array8, __vis_array16,
	__vis_array32): New.
	* doc/extend.texi: Document new VIS builtins.

	* config/sparc/ (gcond_name): Delete unnecessary code attr.
	(VIS pixel-compare insn): Just use <gcond:name>.

	* config/sparc/ (VIS pixel-compare insn): There is only one
	code iterator used, so just use <code>.  There are two mode iterators
	so explicitly use <GCM:gcm_name>.

2011-09-29  Iain Sandoe  <>

	* config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Enable for
	Darwin >= 9.

2011-09-28  David S. Miller  <>

	UNSPEC_FCMPGT, UNSPEC_FCMPEQ): Delete and reduce to...
	(UNSPEC_FCMP): New unspec.
	(gcond): New code iterator.
	(gcond_name): New code attr.
	(GCM): New mode iterator.
	(gcm_name): New mode attr.
	(fcmp{le,ne,gt,eq}{16,32}_vis): Reimplement using iterators.

2011-09-28  Oleg Endo  <>

	PR target/49486
	* config/sh/ (negdi2): Move expansion into split to
	allow more combination options.  Add T_REG clobber.
	(abssi2): New expander.
	(*negdi2, *abssi2, *negabssi2): New insns.
	(cneg): Change from insn to insn_and_split.  Rename to
	negsi_cond.  Add alternative for non-SH4.

2011-09-28  Richard Sandiford  <>

	* config/arm/ (neon_move_lo_quad_<mode>): Delete.
	(neon_move_hi_quad_<mode>): Likewise.
	(move_hi_quad_<mode>, move_lo_quad_<mode>): Use subreg moves.

2011-09-28  Nick Clifton  <>

	* config/rx/ (rx_minmax_operand): New predicate.
	Accepts immediates and a restricted subset of MEMs.
	* config/rx/ (int_modes): New iterator.
	(smaxsi3, sminsi3): Delete and replace with...
	(smax<int_mode>3, smin<int_mode>3): New patterns.
	(umax<>3_u, umax<>3_ur, umax<>3, umin<>3): New patterns.

2011-09-28  Richard Guenther  <>

	PR middle-end/50460
	* fold-const.c (try_move_mult_to_index): Handle &a.array the
	same as &a.array[0].

2011-09-28  Kai Tietz  <>

	* Add test for new section attribute
	specifier "e" via define HAVE_GAS_SECTION_EXCLUDE.
	* Regenerated.
	* configure: Regenerated.
	* config/i386/winnt.c (i386_pe_asm_named_section): Emit
	new section flag "e" for excluded sections, if supported.
	Otherwise we mark section withc SECTION_EXCLUDE flag as never-load.

2011-09-28  Richard Sandiford  <>

	* config/m32r/ Use match_test rather than eq/ne symbol_ref
	throughout file.

2011-09-28  Richard Sandiford  <>

	* config/iq2000/ Use match_test rather than eq/ne symbol_ref
	throughout file.

2011-09-27  Sriraman Tallam  <>

	* output.h (SECTION_EXCLUDE): New macro.
	* varasm.c (default_elf_asm_named_section): Check for SECTION_EXCLUDE.

2011-09-27  Richard Sandiford  <>

	* fwprop.c (forward_propagate_and_simplify): After checking
	reg/subreg combinations, check whether the modes are the same.

2011-09-27  Bernd Schmidt  <>
	    Richard Sandiford  <>

	* config/mips/mips.c (mips_add_cfa_restore): New function.
	(mips16e_save_restore_reg): Use it.
	(mips_restore_reg): Likewise.  Split double FPRs for

2011-09-27  Richard Sandiford  <>

	PR middle-end/50386
	PR middle-end/50326
	* tree-sra.c (build_ref_for_model): Use the type of the field as
	the type of the COMPONENT_REF.

2011-09-27  Jeff Law  <>

	* ifcvt.c (cheap_bb_rtx_cost_p): Add SCALE argument.  Scale
	non-jumping insns by REG_BR_PROB_BASE and the maximum cost by SCALE.
	(find_if_case_1): Use the probability of the THEN clause when
	determining if speculation is profitable.
	(find_if_case_2): Similarly for the ELSE clause.

2011-09-27  Jakub Jelinek  <>

	* common.opt: Add -foptimize-strlen option.
	* (OBJS): Add tree-ssa-strlen.o.
	(tree-sssa-strlen.o): Add dependencies.
	* opts.c (default_options_table): Enable -foptimize-strlen
	by default at -O2 if not -Os.
	* passes.c (init_optimization_passes): Add pass_strlen
	after pass_object_sizes.
	* timevar.def (TV_TREE_STRLEN): New timevar.
	* params.def (PARAM_MAX_TRACKED_STRLENS): New parameter.
	* tree-pass.h (pass_strlen): Declare.
	* tree-ssa-strlen.c: New file.
	* c-decl.c (merge_decls): If compatible stpcpy prototype
	is seen, set implicit_built_in_decls[BUILT_IN_STPCPY].

2011-09-27  Tom de Vries  <>

	PR middle-end/43864
	* tree-ssa-tail-merge.c: New file.
	(struct same_succ_def): Define.
	(same_succ, const_same_succ): New typedef.
	(struct bb_cluster_def): Define.
	(bb_cluster, const_bb_cluster): New typedef.
	(struct aux_bb_info): Define.
	(gvn_uses_equal): New function.
	(same_succ_print, same_succ_print_traverse, update_dep_bb)
	(stmt_update_dep_bb, local_def, same_succ_hash)
	(inverse_flags, same_succ_equal, same_succ_alloc, same_succ_delete)
	(same_succ_reset): New function.
	(same_succ_htab, same_succ_edge_flags)
	(deleted_bbs, deleted_bb_preds): New var.
	(debug_same_succ): New function.
	(worklist): New var.
	(print_worklist, add_to_worklist, find_same_succ_bb, find_same_succ)
	(init_worklist, delete_worklist, delete_basic_block_same_succ)
	(same_succ_flush_bbs, purge_bbs, update_worklist): New function.
	(print_cluster, debug_cluster, update_rep_bb)
	(add_bb_to_cluster, new_cluster, delete_cluster): New function.
	(all_clusters): New var.
	(alloc_cluster_vectors, reset_cluster_vectors, delete_cluster_vectors)
	(merge_clusters, set_cluster): New function.
	(gimple_equal_p, gsi_advance_bw_nondebug_nonlocal, find_duplicate)
	(same_phi_alternatives_1, same_phi_alternatives, bb_has_non_vop_phi)
	(deps_ok_for_redirect_from_bb_to_bb, deps_ok_for_redirect)
	(find_clusters_1, find_clusters): New function.
	(update_vuses, vop_phi, vop_at_entry, replace_block_by): New function.
	(update_bbs): New var.
	(apply_clusters): New function.
	(update_debug_stmt, update_debug_stmts): New function.
	(tail_merge_optimize): New function.
	tree-pass.h (tail_merge_optimize): Declare.
	* tree-ssa-pre.c (execute_pre): Use tail_merge_optimize.
	* (OBJS-common): Add tree-ssa-tail-merge.o.
	(tree-ssa-tail-merge.o): New rule.
	* opts.c (default_options_table): Set OPT_ftree_tail_merge by
	default at OPT_LEVELS_2_PLUS.
	* tree-ssa-sccvn.c (vn_valueize): Move to ...
	* tree-ssa-sccvn.h (vn_valueize): Here.
	* timevar.def (TV_TREE_TAIL_MERGE): New timevar.
	* common.opt (ftree-tail-merge): New switch.
	* doc/invoke.texi (Optimization Options, -O2): Add -ftree-tail-merge.
	(-ftree-tail-merge, max-tail-merge-comparisons)
	(max-tail-merge-iterations): New item.

2011-09-27  Jan Hubicka  <>

	* ipa-inline-analysis.c (MAX_TIME): Reduce to avoid overflows.

2011-09-27  Jan Hubicka  <>

	* ipa-inline-analysis.c (eliminated_by_inlining_prob): Handle
	parameters passed by reference; handle loads from non-SSA scalars
	and update comments.

2011-09-27  Bernd Schmidt  <>

	PR rtl-optimization/50249
	* reload1.c (reload_reg_reaches_end_p): Accept a reloadnum argument
	instead of opnum and type.  All callers changed.  Remove useless
	Search forward for other reloads of the same type for the same operand
	using the same register; if any are found, return false.
	(reload_regs_reach_end_p): Same argument changes; all callers changed.

2011-09-27  Andi Kleen  <>
	    Jan Hubicka  <>

	* doc/invoke.texi (ffat-lto-objects): Document.
	* toplev.c (compile_file): Do not output assembly when doing slim lto;
	Output __gnu_slim_lto when doing slim lto.
	* cgraphunit.c (ipa_passes): Do only analysis when producing slim lto.
	(cgraph_optimize): Return early when doing slim lto.
	* opts.c (finish_options): Complain about lack of linker plugin
	when doing slim lto.
	* common.opt (ffat-lto-objects): New.

2011-09-27  Richard Sandiford  <>

	* ipa-inline-analysis.c (predicate_probability): Avoid comparison
	between signed and unsigned.

2011-09-27  Ira Rosen  <>

	* tree-vect-stmts.c (vectorizable_type_demotion): Handle basic block
	(vectorizable_type_promotion): Likewise.
	(vect_analyze_stmt): Call vectorizable_type_demotion and
	vectorizable_type_promotion for basic blocks.
	(supportable_widening_operation): Don't assume loop vectorization.
	* tree-vect-slp.c (vect_build_slp_tree): Allow multiple types for
	basic blocks.  Update vectorization factor for basic block
	(vect_analyze_slp_instance): Allow multiple types for basic block
	vectorization.  Recheck unrolling factor after construction of SLP

2011-09-27  Richard Guenther  <>

	* tree-object-size.c (compute_object_sizes): Fix dumping of
	folded statement.

2011-09-27  Richard Guenther  <>

	PR tree-optimization/50363
	* tree-ssa-pre.c (create_expression_by_pieces): Handle
	pointer conversions in POINTER_PLUS_EXPRs properly.

2011-09-27  Richard Sandiford  <>

	* config/arm/ (neon_vget_highv16qi, neon_vget_highv8hi)
	(neon_vget_highv4si, neon_vget_highv4sf, neon_vget_highv2di)
	(neon_vget_lowv16qi, neon_vget_lowv8hi, neon_vget_lowv4si)
	(neon_vget_lowv4sf, neon_vget_lowv2di): Turn into define_expands
	that produce subreg moves.  Define using VQX iterators.

2011-09-27  Georg-Johann Lay  <>

	* config/avr/ (ashrqi3): Split alternative "n"
	into its remaining parts C03, C04, C05, C06, C07 and describe
	impact in CC by attribute "cc" appropriately.
	* config/avr/avr.c (notice_update_cc): Clean-up: Don't patch CC0
	by digging RTX.

2011-09-27  Jakub Jelinek  <>

	* rtl.h (const_tiny_rtx): Change into array of 4 x MAX_MACHINE_MODE
	(CONSTM1_RTX): Define.
	* emit-rtl.c (const_tiny_rtx): Change into array of
	(gen_rtx_CONST_VECTOR): Use CONSTM1_RTX if all inner constants are
	(init_emit_once): Initialize CONSTM1_RTX for MODE_INT and
	* simplify-rtx.c (simplify_binary_operation_1) <case IOR, XOR, AND>:
	Optimize if one operand is CONSTM1_RTX.
	* config/i386/i386.c (ix86_expand_sse_movcc): Optimize mask ? -1 : x
	into mask | x.

2011-09-26  David S. Miller  <>

	* config/sparc/ (edge{8,16,32}{,l}): Return Pmode.
	(fcmp{le,ne,gt,eq}{16,32}): Likewise.
	* config/sparc/visintrin.h: Update edge and pixel-compare
	intrinsics to return 'long' instead of 'int'.
	* doc/extend.texi: Update documentation to match.
	* config/sparc/sparc.c (eligible_for_return_delay): When leaf or
	flat, allow any instruction.  Otherwise, when V9 allow parallels
	which consist only of sets to registers outside of %o0 to %o5.
	(sparc_vis_init_builtins): Update VIS builtin types for edge
	and pixel-compare.

	* config/sparc/sparc.c (sparc_conditional_register_usage): When VIS
	is enabled, mark %gsr as global.
	* config/sparc/ (UNSPEC_WRGSR): Delete.
	(wrgsr_vis, *wrgsr_sp64, wrgsr_v8plus): Don't wrap in an unspec.

	* config/sparc/sparc-c.c: New file implementing sparc_target_macros,
	which will now define __VIS and __VIS__ when -mvis is enabled.
	* config/sparc/t-sparc: Likewise.
	* config.gcc: Add sparc-c.o to c_target_objs and cxx_target_objs,
	and add t-sparc to tmake_file for all sparc targets.
	* config/sparc/sparc-protos.h (sparc_target_macros): Declare.
	* config/sparc/sparc.h (TARGE_CPU_CPP_BUILTINS): Call it.

	* config/sparc/sparc.c (sparc_vis_init_builtins): Add explicit
	builtins for VIS vector addition and subtraction.
	* config/sparc/visintrin.h (__vis_fpadd16, __vis_fpadd16s,
	__vis_fpadd32, __vis_fpadd32s, __vis_fpsub16, __vis_fpsub16s,
	__vis_fpsub32, __vis_fpsub32s): New.
	* doc/extend.texi: Document new VIS intrinsics.

2011-09-26  Georg-Johann Lay  <>

	* config/avr/ (peephole casesi+2): Use -1 instead of 65536.
	* config/avr/avr.c (avr_out_compare): Print shorter sequence for
	EQ/NE comparisons against +/-1 in the case of unused-after,
	non-ld-regs target.

2011-09-26  Jakub Jelinek  <>

	* gimple-fold.c (gimplify_and_update_call_from_tree): Set
	gctx.into_ssa after push_gimplify_context.

	* gimple.c (gimple_build_call_valist): New function.
	* gimple.h (gimple_build_call_valist): New prototype.
	* tree-ssa-propagate.c (finish_update_gimple_call): New function.
	(update_gimple_call): Likewise.
	(update_call_from_tree): Use finish_update_gimple_call.
	* tree-ssa-propagate.h (update_gimple_call): New prototype.

2011-09-26  Richard Guenther  <>

	PR tree-optimization/50472
	* gimple-fold.c (fold_const_aggregate_ref_1): Do not fold
	volatile references.

2011-09-26  Bingfeng Mei <>

	* doc/tm.texi: Correct documentation for TARGET_ADDR_SPACE_SUBSET_P.
	* target.def: (addr_space_subset_p): Likewise.

2011-09-26  Tom de Vries  <>

	* tree-ssa-alias.h (pt_solution_singleton_p): Declare.
	* tree-ssa-structalias.c (pt_solution_singleton_p): New function.
	* tree-ssa-ccp.c (fold_builtin_alloca_for_var): Set points-to solution
	of new var.

2011-09-26  Georg-Johann Lay  <>

	PR target/50465
	* config/avr/avr-protos.h (output_reload_insisf): Don't pass insn.
	* config/avr/ (*reload_insi, *reload_insf): Change call to
	(adjust_len): Set default to "no".
	Remove alternative "yes".  Add alternatives: "mov8", "mov16",
	"mov32", "ashlqi", "ashrqi", "lshrqi", "ashlhi", "ashrhi",
	"lshrhi", "ashlsi, "ashrsi", "lshrsi".
	(*movqi, *movhi, *movsi, *ashlqi3, ashlhi3, ashlsi3,
	*ashlhi3_const, *ashlsi3_const, ashrqi3, ashrhi3, ashrsi3,
	*ashrhi3_const, *ashrsi3_const, *lshrqi3, lshrhi3, *lshrhi3_const,
	*lshrsi3_const): Set attribute "adjust_len".
	* config/avr/avr.c (output_reload_insisf): Remove parameter "insn".
	(output_movsisf): Don't pass insn to output_reload_insisf.
	(adjust_insn_length): Handle new alternatives to adjust_len.
	Remove handling of ADJUST_LEN_YES.  Clean-up code.

2011-09-26  Eric Botcazou  <>

	* ifcvt.c (noce_try_cmove_arith): Use may_trap_or_fault_p in lieu of
	may_trap_p to detect loads that may trap of fault.

2011-09-26  Georg-Johann Lay  <>

	* config/avr/avr-protos.h (output_reload_inhi): Change prototype.
	* config/avr/ (adjust_len): Add "reload_in16" alternative.
	(*reload_inhi): Use it.  Adapt call to output_reload_inhi to new
	(*movhi): Split constraint alternative "r,rL" into "r,r" and "r,L".
	* config/avr/avr.c: Rename output_reload_insisf_1 to
	(avr_popcount_each_byte): Handle SFmode, too.
	(output_reload_in_const): Change so it can handle HI loads, too.
	Use avr_popcount_each_byte to work out if scratch register must be
	created on the fly.
	(output_reload_inhi): Rewrite using output_reload_in_const and...
	(output_movhi): ...use it to print constants' loads.
	(adjust_insn_length): New case ADJUST_LEN_RELOAD_IN16. Cleanup code.

2011-09-25  David S. Miller  <>

	* config/sparc/ (C, P, Z): New constraints for
	const_doube, const_int, and const_vector "all ones" values.
	Make unused constraint letters comment match reality.
	* config/sparc/ (const_all_ones_operand,
	register_or_zero_or_all_ones_operand): New predicates.
	* config/sparc/sparc.c (sparc_expand_move): Allow all ones
	as well as zero constants when VIS.
	(sparc_legitimate_constant_p): Likewise.
	* config/sparc/ (movsi_insn): Add fones alternative.
	(movsf_insn): Likewise
	(movdi_insn_sp64): Add fone alternative.
	(movdf_insn_sp32_v9): Likewise.
	(movdf_insn_sp64): Likewise.

	* Add feature check to make sure the assembler
	supports the FMAF, HPC, and VIS 3.0 instructions found on
	Niagara-3 and later cpus.
	* configure: Rebuild.
	* Likewise.
	* config/sparc/sparc.opt: New option '-mfmaf'.
	* config/sparc/ Add float fused multiply-add patterns.
	* config/sparc/sparc.h (AS_NIAGARA3_FLAG): New macro.
	(ASM_CPU64_DEFAULT_SPEC, ASM_CPU_SPEC): Use it, as needed.
	* config/sparc/sol2.h (ASM_CPU32_DEFAULT_SPEC,
	* config/sparc/sparc.c (sparc_option_override): Turn MASK_FMAF on
	by default for Niagara-3 and later.  Turn it off if TARGET_FPU is
	(sparc_rtx_costs): Handle 'FMA'.
	* doc/invoke.texi: Document -mfmaf.

2011-09-25  Jakub Jelinek  <>

	* tree-ssa-structalias.c (intra_create_variable_infos): Treat
	TYPE_RESTRICT REFERENCE_TYPE parameters like restricted
	DECL_BY_REFERENCE parameters.

2011-09-25  Eric Botcazou  <>

	* tree-eh.c (cleanup_empty_eh): Allow a call to __builtin_stack_restore
	if there is no outgoing edge.

	* tree-scalar-evolution.c (simple_iv): Accept all kinds of pointer and
	integral types.

2011-09-25  Ira Rosen  <>

	* tree-vect-slp.c (vect_slp_analyze_bb_1): Split out core part
	of vect_analyze_bb here.
	(vect_analyze_bb): Loop over vector sizes calling vect_analyze_bb_1.

2011-09-25  Ira Rosen  <>

	* tree-data-ref.c (dr_analyze_innermost): Add new argument.
	Allow not simple iv if analyzing basic block.
	(create_data_ref): Update call to dr_analyze_innermost.
	(stmt_with_adjacent_zero_store_dr_p, ref_base_address): Likewise.
	* tree-loop-distribution.c (generate_memset_zero): Likewise.
	* tree-predcom.c (find_looparound_phi): Likewise.
	* tree-data-ref.h (dr_analyze_innermost): Add new argument.

2011-09-24  David S. Miller  <>

	* config/sparc/sparc.h (FIRST_PSEUDO_REGISTER): Bump to 103.
	(SPARC_GSR_REG): Define.
	(FIXED_REGISTERS): Mark GSR as fixed.
	(CALL_USED_REGISTERS): Mark GSR as call used.
	(HARD_REGNO_NREGS): GSR is always 1 register.
	(REGISTER_NAMES): Add "%gsr".
	(UNSPEC_WRGSR): New unspec.
	(GSR_REG): New constant.
	(type): Add new insn type 'gsr'.
	(fpack16_vis, fpackfix_vis, fpack32_vis,
	faligndata<V64I:MODE>_vis)): Add use of GSR_REG.
	(wrgsr_vis, *wrgsr_sp64, wrgsr_v8plus, rdgsr_vis, *rdgsr_sp64,
	rdgsr_v8plus): New expanders and insns.
	(alignaddr<P:mode>_vis, alignaddrl<P:mode>_vis): Reimplement
	using patterns which show that this is a plus in addition to a
	modification of GSR_REG, instead of an unspec.
	* config/sparc/ Handle 'gsr'.
	* config/sparc/ Likewise.
	* config/sparc/ Likewise.
	* config/sparc/ Likewise.
	* config/sparc/sparc.c (leaf_reg_remap, sparc_leaf_regs): Fill out
	end of table.
	(sparc_option_override): Make -mvis imply -mv8plus.
	(hard_32bit_mode_classes, hard_64bit_mode_classes): Add entries
	for %gsr.
	(sparc_vis_init_builtins): Build __builtin_vis_write_gsr and
	(sparc_expand_buildin): Handle builtins that take one argument and
	return void.
	(sparc_fold_builtin): Never fold writes to %gsr.
	* config/sparc/visintrin.h (__vis_write_gsr, __vis_read_gsr): New.
	* doc/extend.texi: Document new VIS intrinsics.

2011-09-23  Jan Hubicka  <>

	* ipa-inline-transform.c (inline_call): Add comment.
	* ipa-inline.h (inline_param_summary): New structure and vector.
	(struct inline_edge_summary): Add param field.
	* ipa-inline-analysis.c (CHANGED): New constant.
	(add_clause): Handle CHANGED and NOT_CONSTANT.
	(predicate_probability): New function.
	(dump_condition): Dump CHANGED predicate.
	(evaluate_conditions_for_known_args): Handle ERROR_MARK as marker
	of unknown function wide invariant.
	(evaluate_conditions_for_edge): Handle change probabilities.
	(inline_edge_duplication_hook): Copy param summaries.
	(inline_edge_removal_hook): Free param summaries.
	(dump_inline_edge_summary): Fix dumping of indirect edges and callee
	sizes; dump param summaries.
	(will_be_nonconstant_predicate): Use CHANGED predicate.
	(record_modified_bb_info): New structure.
	(record_modified): New function.
	(param_change_prob): New function.
	(estimate_function_body_sizes): Compute param summaries.
	(estimate_edge_size_and_time): Add probability argument.
	(estimate_node_size_and_time): Add inline_param_summary argument;
	handle predicate probabilities.
	(remap_predicate): Fix formating.
	(remap_edge_change_prob): New function.
	(remap_edge_summaries): Rename from ...; use remap_edge_change_prob.
	(remap_edge_predicates): ... this one.
	(inline_merge_summary): Remap edge summaries; handle predicate
	probabilities; remove param summaries after we are done.
	(do_estimate_edge_time): Update.
	(do_estimate_edge_growth): Update.
	(read_inline_edge_summary): Read param info.
	(inline_read_summary): Fix formating.
	(write_inline_edge_summary): Write param summaries.

2011-09-23  Jakub Jelinek  <>

	* config/i386/i386.c (ix86_print_operand): Handle %~.
	(ix86_print_operand_punct_valid_p): Return true also for '~'.
	* config/i386/ (i128): New mode_attr.
	(vec_extract_hi_<mode>, vec_extract_hi_<mode>,
	avx_vbroadcastf128_<mode>, *avx_vperm2f128<mode>_full,
	*avx_vperm2f128<mode>_nozero, vec_set_lo_<mode>,
	vec_set_hi_<mode>, *vec_concat<mode>_avx): Use <i128> in the
	patterns, use "<sseinsnmode>" for "mode" attribute.
	(vec_extract_hi_v16hi, vec_extract_hi_v32qi, vec_set_lo_v16hi,
	vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Use
	%~128 in the patterns, use "OI" for "mode" attribute.

2011-09-23  Georg-Johann Lay  <>

	PR target/50447
	* config/avr/ (adjust_len): Add alternatives "tsthi",
	"tstsi", "compare".
	(*cmpqi_sign_extend): Use s8_operand.
	(*cmphi, *cmpsi): Rewrite using avr_out_compare.
	* config/avr/avr-protos.h (compare_diff_p, compare_eq_p): Remove
	(out_tsthi, out_tstsi): Remove prototypes.
	(avr_out_tsthi, avr_out_tstsi): New prototypes.
	* config/avr/avr.c (out_tsthi, out_tstsi): Remove functions.
	(avr_asm_len): Negative length now sets *plen to -length.
	(compare_sign_p): Return bool instead of int.
	(compare_diff_p, compare_eq_p): Ditto and make static.
	(avr_out_tsthi): New function.
	(avr_out_tstsi): New function.
	(avr_out_compare): New function.
	(adjust_insn_length): Handle ADJUST_LEN_TSTHI, ADJUST_LEN_TSTSI,

2011-09-23  Georg-Johann Lay  <>

	PR target/50447
	* config/avr/ (adjust_len): Add alternative "out_plus".
	(addsi3): Rewrite using QI scratch register.  Adjust text
	peepholes using plus:SI.
	(*addsi3_zero_extend.hi): New insn.
	(*subsi3_zero_extend.hi): New insn.
	(*subhi3_zero_extend1): Set attribute "cc" to "set_czn".
	(*subsi3_zero_extend): Ditto.
	(subsi3): Change predicate #2 to register_operand.
	* config/avr/avr-protos.h (avr_out_plus): New prototype.
	(avr_out_plus_1): New static function.
	(avr_out_plus): New function.
	(adjust_insn_length): Handle ADJUST_LEN_OUT_PLUS.

2011-09-23  Jakub Jelinek  <>

	* config/i386/i386.c (ix86_prepare_sse_fp_compare_args): For
	GE/GT/UNLE/UNLT swap arguments and condition even for TARGET_AVX.

2011-09-23  Ian Lance Taylor  <>

	* godump.c (go_define): Treat a single character in single quotes,
	or a string, as an operand.

2011-09-23  Martin Jambor  <>

	* ipa-prop.h (jump_func_type): Updated comments.
	(ipa_known_type_data): New type.
	(ipa_jump_func): Use it to describe known type jump functions.
	* ipa-prop.c (ipa_print_node_jump_functions_for_edge): Updated to
	reflect the new known type jump function contents.
	(compute_known_type_jump_func): Likewise.
	(combine_known_type_and_ancestor_jfs): Likewise.
	(try_make_edge_direct_virtual_call): Likewise.
	(ipa_write_jump_function): Likewise.
	(ipa_read_jump_function): Likewise.
	* ipa-cp.c (ipa_value_from_known_type_jfunc): New function.
	(ipa_value_from_jfunc): Use ipa_value_from_known_type_jfunc.
	(propagate_accross_jump_function): Likewise.

2011-09-23  Georg-Johann Lay  <>

	PR target/50446
	* config/avr/ (rotlqi3): Support all offsets 0..7.
	(rotlqi3_4): Turn insn into expander.
	(*rotlqi3): New insn.
	(rotlhi3, rotlsi3): Support rotate left/right by 1.
	(*rotlhi2.1, *rotlhi2.15): New insns.
	(*rotlsi2.1, *rotlsi2.31): New insns.
	* config/avr/ (C03, C05, C06, C07): New constraints.

2011-09-23  Bin Cheng  <>

	* config/arm/bpabi.h (BE8_LINK_SPEC): Add cortex-m arch and processors.

2011-09-22  Maxim Kuvyrkov  <>

	* ipa-prop.c (ipa_print_node_jump_functions): Fix typos.

2011-09-22  Andreas Krebbel  <>

	* reload.c (find_reloads): Set operand_mode to Pmode for address
	operands consisting of just a CONST_INT.

2011-09-22  Uros Bizjak  <>

	PR target/50482
	* config/i386/i386.c (ix86_expand_sse_movcc): When generating
	blendv, force op_true to register if it doesn't satisfy
	nonimmediate_operand predicate.

2011-09-22  Richard Sandiford  <>

	PR middle-end/50113
	PR middle-end/50061
	* calls.c (emit_library_call_value_1): Use BLOCK_REG_PADDING to
	get the locate.where_pad value for register-only arguments.
	* config/arm/arm.c (arm_pad_arg_upward): Remove HFmode handling.
	(arm_pad_reg_upward): Handle null types.

2011-09-22  Jan Hubicka  <>

	* ipa-inline-analysis.c: Fix overly long lines.

2011-09-22  Jan Hubicka  <>

	* ipa-inline-transform.c (inline_call): Always update jump functions
	after inlining.
	* ipa-inline.c (ipa_inline): Likewise; do not call
	(ipa_inline): Always free jump functions.
	* ipa-inline-analysis.c (evaluate_conditions_for_edge): Remove hack.
	(remap_edge_predicates): Fix pasto.
	(inline_merge_summary): Remove nlined edge predicate; remove hack.
	(inline_analyze_function): Always initialize jump functions.
	(inline_generate_summary): Likewise.
	(inline_write_summary): Always write jump functions when ipa-cp
	is not doing that.
	(inline_read_summary): Always read jump functions when ipa-cp
	is not doing that.
	* ipa-prop.c (iinlining_processed_edges): Remove.
	(update_indirect_edges_after_inlining): Do not use
	iinlining_processed_edges; instead set param_index to -1.
	(propagate_info_to_inlined_callees): Only try to indirect inlining
	when asked to do so; update jump functions of indirect calls, too;
	remove jump functions of the inlined edge.
	(ipa_edge_duplication_hook): Do not copy iinlining_processed_edges.
	(ipa_create_all_structures_for_iinln): Remove.
	(ipa_free_all_structures_after_iinln): Do not free
	* ipa-prop.h (ipa_create_all_structures_for_iinln): Remove.

2011-09-22  Richard Sandiford  <>

	* config/arm/ (expandable_comparison_operator): New
	predicate, extracted from...
	* config/arm/ (cbranchsi4, cbranchsf4, cbranchdf4, cbranchdi4)
	(cstoresi4, cstoresf4, cstoredf4, cstoredi4, movsicc, movsfcc)
	(movdfcc): Use expandable_comparison_operator.

2011-09-22  Georg-Johann Lay  <>

	PR target/50447
	PR target/50465
	* config/avr/avr-protos.h (avr_out_bitop): New prototype.
	(avr_popcount_each_byte): New prototype.
	* config/avr/avr.c (avr_popcount): New static function.
	(avr_popcount_each_byte): New function.
	(avr_out_bitop): New function.
	(adjust_insn_length): ADJUST_LEN_OUT_BITOP dispatches to
	avr_out_bitop.  Cleanup code.
	* config/avr/ (Ca2, Co2, Cx2): New constraints.
	(Ca4, Co4, Cx4): New constraints.
	* config/avr/ (adjust_len): Add "out_bitop" insn attribute
	(andhi3, iorhi3, xorhi3): Rewrite insns using avr_out_bitop.
	(andsi3, iorsi3, xorsi3): Ditto.
	(*iorhi3_clobber, *iorsi3_clobber): Remove insns.

2011-09-22  Ira Rosen  <>

	PR tree-optimization/50451
	* tree-vect-slp.c (vect_get_constant_vectors): Don't fail for
	constant operands in reduction.
	(vect_get_slp_defs): Don't create vector operand for NULL scalar

2011-09-22  David S. Miller  <>

	* config/sparc/sparc.c (sparc_vis_init_builtins): Do not mark
	fpack16, fpack32, fpackfix as const.

	* config/sparc/ (G[0-7]_REG, O[0-7]_REG, L[0-7]_REG,
	I[0-7]_REG, F[0-62]_REG, FCC[0-3]_REG, CC_REG, SFP_REG): New
	constants.  Use them everywhere.

2011-09-22  Oleg Endo  <>

	* config/sh/sh.c (andcosts): Renamed to and_xor_ior_costs.
	Added AND special case.  Adapted comments.
	(sh_rtx_costs): Added XOR and IOR case.

2011-09-21  Jan Hubicka  <>

	* ipa-inline-analsis.c (compute_inline_parameters): Set
	cfun and current_function_decl.

2011-09-21  Jan Hubicka  <>

	* ipa-inline-analysis.c (set_cond_stmt_execution_predicate): Allow
	handled components in parameter of builtin_constant_p.
	(will_be_nonconstant_predicate): Allow loads of non-SSA parameters.

2011-09-21  Jan Hubicka  <>

	* ipa-inline.c (relative_time_benefit): Fix wrong bracketting.
	* ipa-inline.h (estimate_edge_time): Fix pasto.
	* ipa-inline-analysis.c (do_estiamte_edge_time): Remove capping.

2011-09-21  Jakub Jelinek  <>

	* config/i386/i386.c (ix86_expand_sse_movcc): Use
	blendvps, blendvpd and pblendvb if possible.

2011-09-21  Uros Bizjak  <>

	PR target/50464
	* config/i386/ (xop_pcmov_<mode><avxsizesuffix>): Change
	operand 1 predicate to register_operand and operand 2 predicate
	to nonimmediate_operand.
	* config/i386/i386.c (ix86_expand_sse_movcc): When generating
	xop_pcmov, force op_true to register.  Also, force op_false to
	register if it doesn't satisfy nonimmediate_operand predicate.

2011-09-21  Kirill Yukhin  <>

	* config/i386/bmi2intrin.h (_mulx_u64): New.
	(_mulx_u32): Ditto.

2011-09-21  Jan Hubicka  <>

	PR tree-optimization/50433
	* ipa-inline-analysis.c (eliminated_by_inlining_prob):
	Use get_base_address.

2011-09-21  Jakub Jelinek  <>

	* config/i386/ (<code><mode>3 smaxmin:VI124_128 expander): Use
	nonimmediate_operand instead of register_operand predicate for operands
	1 and 2, force them into registers if expanding them as comparison.
	(<code><mode>3 umaxmin:VI124_128 expander): Similarly.  For UMAX
	V8HImode force into register just operand 1.

2011-09-21  Georg-Johann Lay  <>

	PR target/45099
	* config/avr/avr.c (avr_function_arg_advance): Change error to
	warning if a fixed register is needed as function argument.

2011-09-21  Georg-Johann Lay  <>

	PR target/50449
	PR target/50465
	* config/avr/ (adjust_len): New insn attribute.
	(*reload_insi, *reload_insf): Use it.
	(*movsi, *movsf): Use new interface of output_movsisf.
	* config/avr/avr-protos.h (output_movsisf): Change prototype.
	* config/avr/avr.c (output_movsisf): Ditto.
	(adjust_insn_length): Use insn attribute "adjust_len" to adjust
	lengths of insns *reload_insi, *reload_insf.
	(output_reload_insisf_1): New static function.
	(output_reload_insisf): Use it.

2011-09-21  David S. Miller  <>

	* config/sparc/sparc.c (def_builtin): Change from macro into function.
	(def_builtin_const): New.
	(sparc_vis_init_builtins): Use def_builtin_const for all VIS builtins
	other than alignaddr and falignaddr.

	UNSPEC_FCMPEQ): New unspec codes.
	(fcmple16_vis, fcmple32_vis, fcmpne16_vis, fcmpne32_vis, fcmpgt16_vis,
	fcmpgt32_vis, fcmpeq16_vis, fcmpeq32_vis): New patterns.
	* config/sparc/sparc.c (sparc_vis_init_builtins): Create builtins for
	new pixel compare VIS patterns.
	* config/sparc/visintrin.h (__vis_fcmple16, __vis_fcmple32,
	__vis_fcmpne16, __vis_fcmpne32, __vis_fcmpgt16, __vis_fcmpgt32,
	__vis_fcmpeq16, __vis_fcmpeq32): New.
	* doc/extend.texi: Document new pixel compare VIS intrinsics.

2011-09-21  Tom de Vries  <>

	* final.c (final): Handle if JUMP_LABEL is not LABEL_P.

2011-09-20  David S. Miller  <>

	* config/sparc/ (UNSPEC_ALIGNADDRL): New unspec.
	(aligneddrl<P:mode>_vis): New pattern.
	(edge8_vis, edge8l_vis, edge16_vis, edge16l_vis, edge32_vis,
	edge32l_vis): Adjust to take Pmode arguments, and return SImode.
	* config/sparc/sparc.c (sparc_vis_init_builtins): Handle new
	alignaddrl insn, and adjust edge operations for updated types.
	* config/sparc/visintrin.h: Likewise.
	* doc/extend.texi: Make typing in VIS documentation match reality.

2011-09-20  Terry Guo  <>

	* config/arm/arm-arches.def: Add armv6s-m.
	* config/arm/arm-tables.opt: Regenerate.

2011-09-20  Wei Guozhi  <>

	PR rtl-optimization/49452
	* postreload.c (reload_combine): Invalidate use information when across
	volatile insn.

2011-09-19  Maxim Kuvyrkov  <>

	* haifa-sched.c (has_edge_p, prev_non_location_insn, check_cfg):
	Remove maintenance overhead.
	(haifa_sched_init, sched_finish): Update.

2011-09-19  Uros Bizjak  <>

	* config/i386/ (*mov<mode>_internal_rex64): Use if_then_else RTX
	to calculate unit, prefix_rep and prefix_data16 attributes.
	(*mov<mode>_internal): Ditto for unit attribute.
	(*movv2sf_internal_rex64): Ditto for unit and prefix_rep attributes.
	(*movv2sf_internal): Ditto.
	* config/i386/ (VI1248_256): Remove mode iterator.
	(avx2_eq<mode>3): Use VI_256 instead of VI1248_256.
	(*avx2_eq<mode>3): Ditto.
	(avx2_gt<mode>3): Ditto.

2011-09-19  Uros Bizjak  <>

	* config/i386/ (maxmin): New code iterator.
	* config/i386/ (<maxmin:code><mode>3): Macroize expander
	from <umaxmin:code><mode>3 and <smaxmin:code><mode>3 using maxmin
	code iterator.
	(*avx2_<maxmin:code><mode>3): Macroize isn from
	*avx2_<umaxmin:code><mode>3 and *avx2_<smaxmin:code><mode>3 using
	maxmin code iterator.
	(<smaxmin:code><VI124_128:mode>3): Merge with <smaxmin:code>v8hi3.
	(<umaxmin:code><VI124_128:mode>3): Merge with umaxv4si3 and

2011-09-19  Alan Modra  <>
	    Michael Meissner  <>

	PR target/50341
	* config/rs6000/ (call_indirect_aix<ptrsize>): Do not
	split the load of the indirect function's TOC from the call to
	prevent the compiler from moving the load of the new TOC above
	code that references the current function's TOC.
	(call_indirect_aix<ptrsize>_internal): Ditto.
	(call_indirect_aix<ptrsize>_nor11): Ditto.
	(call_indirect_aix<ptrsize>_internal2): Ditto.
	(call_value_indirect_aix<ptrsize>): Ditto.
	(call_value_indirect_aix<ptrsize>_internal): Ditto.
	(call_value_indirect_aix<ptrsize>_nor11): Ditto.
	(call_value_indirect_aix<ptrsize>_internal2): Ditto.

2011-09-19  Jakub Jelinek  <>

	* config/i386/ (*sse4_1_extractps): Change into
	define_insn_and_split, add =x 0 n and =x x n alternatives
	and split them after reload.

2011-09-19  Alexandre Oliva  <>

	* tree.h (TREE_NOT_CHECK4): Rename from bogus NON_TREE_CHECK4.

2011-09-19  Alexandre Oliva  <>

	* emit-rtl.c (copy_insn_1): Do not copy DEBUG_EXPRs.

2011-09-19  Ira Rosen  <>

	PR tree-optimization/50413
	* tree-vect-data-refs.c (vect_analyze_data_refs): Fail to vectorize
	a basic block if one of its data-refs can't be analyzed.

2011-09-19  Paul Brook  <>

	* config/arm/ (shift_amount_operand): Check constant
	shift count is in range.
	(const_shift_operand): Remove.

2011-09-18  Eric Botcazou  <>
	    Iain Sandoe  <>

	PR target/50091
	* config/rs6000/ (probe_stack): Use explicit operand.
	* config/rs6000/rs6000.c (output_probe_stack_range): Likewise.

2011-09-18  H.J. Lu  <>

	* config/i386/bmiintrin.h: Remove tmp.
	* config/i386/tbmintrin.h: Likewise.

2011-09-18  Ira Rosen  <>

	PR tree-optimization/50414
	* tree-vect-slp.c (vect_get_constant_vectors): Handle MAX_EXPR and

2011-09-18  Ira Rosen  <>

	PR tree-optimization/50412
	* tree-vect-data-refs.c (vect_analyze_group_access): Fail for
	acceses that require epilogue loop if vectorizing outer loop.

2011-09-17  David S. Miller  <>

	* config/sparc/ (UNSPEC_EDGE8, UNSPEC_EDGE8L,
	New unspecs.
	(define_attr type): New type 'edge'.
	(edge8_vis, edge8l_vis, edge16_vis, edge16l_vis, edge32_vis,
	edge32l_vis): New patterns.
	* config/sparc/ Add insn reservation for 'edge'.
	* config/sparc/ Likewise.
	* config/sparc/ Likewise.
	* config/sparc/ Likewise.
	* config/sparc/sparc.d (sparc_vis_init_builtins): Generate
	builtins for VIS edge instructions.
	* config/sparc/visintrin.h (__vis_edge8, __vis_edge8l)
	(__vis_edge16, __vis_edge16l, __vis_edge32, __vis_edge32l): New
	(__v8qi, __v4qi): Make unsigned.
	(__vis_faligndatadi, ___vis_faligndatav2si, __vis_faligndatav4hi,
	__vis_faligndatav8qi, __vis_fmul8x16au, __vis_fmul8x16al,
	__vis_fpack32): Fix types.
	* doc/extend.texi: Document new 'edge' VIS intrinsics.

	* gcc/config/sparc/sparc.c (niagara2_costs): Adjust integer
	divide costs.
	(niagara3_costs): New.
	(sparc_option_override): Use it.
	* gcc/config/sparc/ Adjust with more accurate
	Niagara-3 reservations.

2011-09-17  Jakub Jelinek  <>

	* config/i386/ (VIMAX_AVX2): Change V4DI to V2TI.
	(sse2_avx, sseinsnmode): Add V2TI.
	(REDUC_SMINMAX_MODE): New mode iterator.
	(reduc_smax_v4sf, reduc_smin_v4sf, reduc_smax_v8sf,
	reduc_smin_v8sf, reduc_smax_v4df, reduc_smin_v4df): Remove.
	(reduc_<code>_<mode>): New smaxmin and umaxmin expanders.
	(sse2_lshrv1ti3): Rename to...
	(<sse2_avx2>_lshr<mode>3): ... this.  Use VIMAX_AVX2 mode
	iterator.  Move before umaxmin expanders.
	* config/i386/i386.h (VALID_AVX256_REG_MODE,
	SSE_REG_MODE_P): Accept V2TImode.
	* config/i386/i386.c (ix86_expand_reduc): Handle V32QImode,
	V16HImode, V8SImode and V4DImode.

	* config/i386/i386.c (ix86_build_const_vector): Handle V8SImode
	and V4DImode.
	(ix86_build_signbit_mask): Likewise.
	(ix86_expand_int_vcond): Likewise.  Handle V16HImode and V32QImode.
	(bdesc_args): Use CODE_FOR_{s,u}m{ax,in}v{32q,16h,8s}i3
	instead of CODE_FOR_avx2_{s,u}m{ax,in}v{32q,16h,8s}i3.
	* config/i386/ (avx2_<code><mode>3 umaxmin expand): Rename to...
	(<code><mode>3) ... this.
	(avx2_<code><mode>3 smaxmin expand): Rename to...
	(<code><mode>3) ... this.
	(smax<mode>3, smin<mode>3): Macroize using smaxmin code iterator.
	(smaxv2di3, sminv2di3): Macroize using smaxmin code iterator and
	VI8_AVX2 mode iterator.
	(umaxv2di3, uminv2di3): Macroize using umaxmin code iterator and
	VI8_AVX2 mode iterator.
	(vcond<V_256:mode><VI_256:mode>, vcondu<V_256:mode><VI_256:mode>):
	New expanders.

2011-09-17  Richard Sandiford  <>

	* config/ia64/ Use match_test rather than eq/ne symbol_ref
	throughout file.

2011-09-16  David S. Miller  <>

	* config/sparc/visintrin.h: New file.
	* config.gcc: Add it to extra_headers on sparc.

2011-09-16  Jakub Jelinek  <>

	* config/i386/i386.c (ix86_expand_reduc_v4sf): Rename to ...
	(ix86_expand_reduc): ... this.  Handle also V8SFmode and V4DFmode.
	* config/i386/ (reduc_splus_v4sf, reduc_smax_v4sf,
	reduc_smin_v4sf): Adjust callers.
	(reduc_smax_v8sf, reduc_smin_v8sf, reduc_smax_v4df, reduc_smin_v4df):
	New expanders.

	* config/i386/ (vec_extract_hi_<mode>,
	vec_extract_hi_v16hi, vec_extract_hi_v32qi): Use
	vextracti128 instead of vextractf128 for -mavx2 and
	integer vectors.  For V4DFmode fix up mode attribute.
	(VEC_EXTRACT_MODE): For TARGET_AVX add 32-byte vectors.
	(vec_set_lo_<mode>, vec_set_hi_<mode>): For VI8F_256 modes use V4DF
	instead of V8SF mode attribute.
	(avx2_extracti128): Change into define_expand.
	* config/i386/i386.c (ix86_expand_vector_extract): Handle
	32-byte vector modes if TARGET_AVX.

2011-09-16  Georg-Johann Lay  <>

	* config/avr/ (umulqihi3, mulqihi3): Write as one pattern.
	(umulqi3_highpart, smulqi3_highpart): Ditto.
	(*maddqihi4.const, *umaddqihi4.uconst): Ditto.
	(*msubqihi4.const, *umsubqihi4.uconst): Ditto.
	(*muluqihi3.uconst, *mulsqihi3.sconst): Ditto.

2011-09-16  Georg-Johann Lay  <>

	PR target/50358
	* config/avr/ (*ashiftqihi2.signx.1): New insn.
	(*maddqi4, *maddqi4.const): New insns.
	(*msubqi4, *msubqi4.const): New insns.
	* config/avr/avr.c (avr_rtx_costs): Record costs of above in cases
	PLUS:QI and MINUS:QI.  Increase costs of multiply-add/-sub for
	HImode by 1 in the case of multiplying with a CONST_INT.
	Record cost of *ashiftqihi2.signx.1 in case ASHIFT:QI.

2011-09-15  Jan Hubicka  <>

	PR lto/50430
	* gimple-fold.c (gimple_get_virt_method_for_binfo): Do not ICE on
	error_mark_node in the DECL_INITIAL of vtable.

2011-09-15  Diego Novillo  <>

	* (SYSROOT_CFLAGS_FOR_TARGET): Set from build-sysroot.
	* configure: Regenerate.
	(site.exp): Add definition of TEST_ALWAYS_FLAGS.
	Remove setting of GCC_UNDER_TEST.

2011-09-15  Uros Bizjak  <>

	* config/i386/i386.c (output_fp_compare): Return %v prefixed
	instruction mnemonics for TARGET_AVX.

	* config/i386/ (*movdf_internal_rex64): use cond RTX in
	"type" attribute calculation.
	(*movdf_internal): Ditto.
	(*movsf_internal): Ditto.

2011-09-15  James Greenhalgh  <>

	* config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): New builtin macro.

2011-09-15  Jason Merrill  <>

	PR c++/50361
	* expr.c (count_type_elements): Handle NULLPTR_TYPE.

2011-09-15  Jan Hubicka  <>

	* ipa-inline-analysis.c (add_condition): Add conditions parameter;
	simplify obviously true clauses.
	(and_predicates, or_predicates): Add conditions parameter.
	(inline_duplication_hoook): Update.
	(mark_modified): New function.
	(unmodified_parm): New function.
	(eliminated_by_inlining_prob, (set_cond_stmt_execution_predicate,
	set_switch_stmt_execution_predicate, will_be_nonconstant_predicate):
	Use unmodified_parm.
	(estimate_function_body_sizes): Update.
	(remap_predicate): Update.

2011-09-15  Ira Rosen  <>

	* tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Allow
	read-after-read dependencies in basic block SLP.

2011-09-14  Richard Sandiford  <>

	* config/sparc/ Use match_test rather than eq/ne symbol_ref
	throughout file.

2011-09-14  Richard Sandiford  <>

	* config/sh/ Use match_test rather than eq/ne symbol_ref
	throughout file.

2011-09-14  Richard Sandiford  <>

	* config/s390/ Use match_test rather than eq/ne symbol_ref
	throughout file.

2011-09-14  Richard Sandiford  <>

	* config/rs6000/ Use match_test rather than eq/ne symbol_ref
	throughout file.
	* config/rs6000/ Likewise.

2011-09-14  Richard Sandiford  <>

	* config/microblaze/ Use match_test rather than
	eq/ne symbol_ref throughout file.

2011-09-14  Richard Sandiford  <>

	* config/bfin/ Use match_test rather than eq/ne symbol_ref
	throughout file.

2011-09-14  Tom de Vries  <>

	PR middle-end/50251
	* explow.c (emit_stack_restore): Set crtl->need_drap if
	stack_restore is emitted.

2011-09-14  Julian Brown  <>

	* config/arm/arm.c (arm_override_options): Add unaligned_access
	(arm_file_start): Emit attribute for unaligned access as appropriate.
	* config/arm/ (UNSPEC_UNALIGNED_LOAD)
	(UNSPEC_UNALIGNED_STORE): Add constants for unspecs.
	(insv, extzv): Add unaligned-access support.
	(extv): Change to expander. Likewise.
	(extzv_t1, extv_regsi): Add helpers.
	(unaligned_loadsi, unaligned_loadhis, unaligned_loadhiu)
	(unaligned_storesi, unaligned_storehi): New.
	(*extv_reg): New (previous extv implementation).
	* config/arm/arm.opt (munaligned_access): Add option.
	* config/arm/ (Uw): New constraint.
	* expmed.c (store_bit_field_1): Adjust bitfield numbering according
	to size of access, not size of unit, when BITS_BIG_ENDIAN !=
	BYTES_BIG_ENDIAN. Don't use bitfield accesses for
	volatile accesses when -fstrict-volatile-bitfields is in effect.
	(extract_bit_field_1): Likewise.

2011-09-14  Richard Sandiford  <>

	* simplify-rtx.c (simplify_subreg): Check that the inner mode is
	a scalar integer before applying integer-only optimisations to
	inner arithmetic.

2011-09-14  Bernd Schmidt  <>

	* config/mips/mips.c (mips_expand_epilogue): Generate a
	simple_return only if the return address is in r31.

2011-09-13  Bernd Schmidt  <>

	* cfgcleanup.c (try_head_merge_bb): If get_condition returns
	NULL for a jump that is a cc0 insn, pick the previous insn for

2011-09-13  Richard Sandiford  <>

	* config/v850/ Use match_test rather than eq/ne symbol_ref
	throughout file.

2011-09-13  Richard Sandiford  <>

	* config/pa/ Use match_test rather than eq/ne symbol_ref
	throughout file.

2011-09-13  Richard Sandiford  <>

	* config/mn10300/ Use match_test rather than eq/ne
	symbol_ref throughout file.

2011-09-13  Richard Sandiford  <>

	* config/m68k/ Use match_test rather than eq/ne symbol_ref
	throughout file.

2011-09-13  Richard Sandiford  <>

	* config/h8300/ Use match_test rather than eq/ne symbol_ref
	throughout file.

2011-09-13  Richard Sandiford  <>

	* config/arm/ Use match_test rather than eq/ne symbol_ref
	throughout file.
	* config/arm/ Likewise.
	* config/arm/ Likewise.
	* config/arm/ Likewise.
	* config/arm/ Likewise.

2011-09-13  Sevak Sargsyan <>

	* config/arm/ (neon_vabd<mode>_2, neon_vabd<mode>_3): New
	define_insn patterns for combine.

2011-09-13  Giuseppe Scrivano  <>

	* reorg.c: Always define make_return_insns.

2011-09-13  Jan Hubicka  <>

	PR other/49533
	* cgraphunit.c (assemble_thunks_and_aliases): Force alias to be output.

2011-09-13  Jan Hubicka  <>

	PR other/49533
	* ipa-inline-transform.c (can_remove_node_now_p): Fix thunkos.

2011-09-13  Paul Brook  <>

	* config/arm/arm.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
	(ARM_TARGET2_DWARF_FORMAT): Provide default definition.
	* config/arm/linux-eabi.h (ARM_TARGET2_DWARF_FORMAT): Define.
	* config/arm/symbian.h (ARM_TARGET2_DWARF_FORMAT): Define.
	* config/arm/uclinux-eabi.h(ARM_TARGET2_DWARF_FORMAT): Define.
	* config/arm/t-bpabi (EXTRA_HEADERS): Add unwind-arm-common.h.
	* config/arm/t-symbian (EXTRA_HEADERS): Add unwind-arm-common.h.
	* config/c6x/c6x.c (c6x_output_file_unwind): Don't rely on dwarf2 code
	enabling unwind tables.
	(c6x_debug_unwind_info): New function.
	* config/c6x/c6x.h (DWARF_FRAME_RETURN_COLUMN): Define.
	* config/c6x/t-c6x-elf (EXTRA_HEADERS): Set.
	* ginclude/unwind-arm-common.h: New file.

2011-09-13  Georg-Johann Lay  <>

	PR target/50358
	* config/avr/ (const_1_to_6_operand): New predicate.
	* config/avr/ (extend_s): New code attribute.
	(mul_r_d): New code attribute.
	(*maddqihi4, *umaddqihi4): New insns.
	(*msubqihi4, *umsubqihi4): New insns.
	(*usmaddqihi4, *sumaddqihi4): New insns.
	(*usmsubqihi4, *susubdqihi4): New insns.
	(*umaddqihi4.uconst, *maddqihi4.sconst): New insn-and-splits.
	(*umsubqihi4.uconst, *msubqihi4.sconst): New insn-and-splits.
	(*umsubqihi4.uconst.ashift): New insn-and-split.
	(*msubqihi4.sconst.ashift): New insn-and-split.
	(*sumaddqihi4.uconst): New insn-and-split.
	(*sumsubqihi4.uconst): New insn-and-split.
	* config/avr/avr.c (avr_rtx_costs): Report costs of above in case

2011-09-13  Revital Eres  <>

	modulo-sched.c (remove_node_from_ps): Return void instead of bool.
	(optimize_sc): Adjust call to remove_node_from_ps.
	(sms_schedule): Add print info.

2011-09-13  Bernd Schmidt  <>

	* rtl.c (copy_rtx): Do not handle frame_related, jump or call
	flags specially.

2011-09-12  Jakub Jelinek  <>

	PR bootstrap/50010
	* dwarf2cfi.c (add_cfis_to_fde): Ignore non-active insns in between
	NOTE_INSN_CFI notes, with the exception of

2011-09-12  Bernd Schmidt  <>
	    Richard Sandiford  <>

	* config/mips/mips.c (mips_epilogue): New structure.
	(mips16e_save_restore_reg): Queue REG_CFA_RESTORE notes when
	restoring registers.
	(mips_epilogue_emit_cfa_restores): New function.
	(mips_epilogue_set_cfa): Likewise.
	(mips_restore_reg): Queue REG_CFA_RESTORE notes.  When restoring
	the current CFA register from the stack, redefine the CFA in terms
	of the stack pointer.
	(mips_expand_epilogue): Set up mips_epilogue.  Attach CFA information
	to the epilogue instructions.

2011-09-12  Richard Sandiford  <>

	* config/mips/mips.c (mips16e_save_restore_reg): Add a reg_parm_p
	(mips16e_build_save_restore): Update accordingly.

2011-09-12  Jakub Jelinek  <>

	PR rtl-optimization/50212
	* bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
	Skip also lps with NULL landing_pad or non-LABEL_P landing_pad.

	PR debug/50299
	* calls.c (load_register_parameters): Use use_reg_mode instead
	of use_reg when adding a single register CALL_INSN_FUNCTION_USAGE
	(expand_call): Set EXPR_LIST mode to TYPE_MODE of the argument
	* expr.h (use_reg_mode): New prototype.
	(use_reg): Changed into inline around use_reg_mode.
	* expr.c (use_reg): Renamed to...
	(use_reg_mode): ... this.  Added MODE argument, set EXPR_LIST
	mode to that mode instead of VOIDmode.
	* var-tracking.c (prepare_call_arguments): Don't track parameters
	whose EXPR_LIST mode is VOIDmode, BLKmode or X mode isn't convertible
	to it using lowpart_subreg.  Convert VALUE and REG/MEM to the
	EXPR_LIST mode.

2011-09-12  Georg-Johann Lay  <>

	PR target/43746
	* config/avr/avr.c (AVR_SECTION_PROGMEM): New Define.
	(progmem_section): New Variable.
	(avr_asm_init_sections): Initialize it.
	(avr_asm_select_section): ... this new Function.
	(avr_replace_prefix): New Function.
	(avr_asm_function_rodata_section): Use it.
	(avr_insert_attributes): Don't add section attribute for PROGMEM.
	(avr_section_type_flags): Use avr_progmem_p instead of section
	name to detect if object is in PROGMEM.
	(avr_asm_named_section): Set section name prefix for objects in

2011-09-12  Jakub Jelinek  <>

	PR bootstrap/50352
	* config/arm/ (*push_fp_multi): Add % before %( and %) in the
	sprintf format string.

2011-09-12  Richard Guenther  <>

	PR tree-optimization/50343
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Check
	that the reduction is over an SSA name before checking its definition.

2011-09-11  Richard Sandiford  <>

	* config/cris/ Use match_test rather than eq/ne symbol_ref
	throughout file.

2011-09-11  Richard Sandiford  <>

	* config/mips/ Use match_test rather than eq/ne symbol_ref
	throughout file.
	* config/mips/ Likewise.
	* config/mips/ Replace (match_test "!...")
	with (not (match_test "..."))
	* config/mips/ Likewise.

2011-09-09  Andrew Stubbs  <>

	* config/arm/arm-cores.def (generic-armv7-a): New architecture.
	* config/arm/arm-tables.opt: Regenerate.
	* config/arm/ Regenerate.
	* config/arm/arm.c (arm_file_start): Output .arch directive when
	user passes -mcpu=generic-*.
	(arm_issue_rate): Add genericv7a support.
	* config/arm/arm.h (EXTRA_SPECS): Add asm_cpu_spec.
	(ASM_CPU_SPEC): New define.
	* config/arm/elf.h (ASM_SPEC): Use %(asm_cpu_spec).
	* config/arm/semi.h (ASM_SPEC): Likewise.
	* doc/invoke.texi (ARM Options): Document -mcpu=generic-*
	and -mtune=generic-*.

2011-09-09  Richard Guenther  <>

	PR tree-optimization/50328
	* tree-vect-loop.c (vect_is_simple_reduction_1): Allow one
	constant or default-def operand.

2011-09-09  Richard Guenther  <>

	* tree-ssa-pre.c (create_expression_by_pieces): Fold the
	last statement.

2011-09-09  Richard Guenther  <>

	* gimple.h (fold_stmt_inplace): Adjust to take a gimple_stmt_iterator
	instead of a statement.
	* gimple-fold.c (fold_stmt_inplace): Likewise.
	* sese.c (graphite_copy_stmts_from_block): Adjust.
	* tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
	* tree-ssa-forwprop.c (forward_propagate_into_comparison): Use
	(forward_propagate_addr_into_variable_array_index): Likewise.
	(forward_propagate_addr_expr_1): adjust.
	(associate_plusminus): Likewise.
	(ssa_forward_propagate_and_combine): Likewise.
	* tree-ssa-mathopts.c (replace_reciprocal): Adjust.
	(execute_cse_reciprocals): Likewise.
	* tree-ssa.c (insert_debug_temp_for_var_def): Adjust.

2011-09-09  Nick Clifton  <>

	* config/mn10300/mn10300.c (mn10300_split_and_operand_count):
	Return a positive value to indicate that the bits at the
	bottom of the register should be cleared.

2011-09-09  Richard Guenther  <>

	* tree-ssa-operands.c (swap_tree_operands): Always adjust
	existing operand positions.

2011-09-09  Richard Guenther  <>

	PR middle-end/50333
	* tree-data-ref.c (split_constant_offset): Do not try to handle
	ternary ops.

2011-09-08  Andrew Stubbs  <>

	PR tree-optimization/50318
	* tree-ssa-math-opts.c (convert_plusminus_to_widen): Correct
	typo in use of mult_rhs1 and mult_rhs2.

2011-09-08  Uros Bizjak  <>

	* config/i386/i386.c (standard_sse_constant_p): Handle AVX2 modes.
	(standard_sse_constant_opcode) <case 2>: Change vpcmpeqd template.

2011-09-08  Bernd Schmidt  <>

	* config/arm/ (push_multi): Emit predicates.
	(push_fp_multi): Likewise.
	* config/arm/arm.c (vfp_output_fstmd): Likewise.

2011-09-08  Dodji Seketeli  <>

	PR c++/33255 - Support -Wunused-local-typedefs warning
	* c-decl.c (lookup_name): Use the new maybe_record_typedef_use.
	(pushdecl): Use the new record_locally_defined_typedef.
	(store_parm_decls): Allocate cfun->language.
	(finish_function): Use the new maybe_warn_unused_local_typedefs,
	and free cfun->language.
	(c_push_function_context): Allocate cfun->language here only if needed.
	(c_pop_function_context): Likewise, mark cfun->language
	for collection only when it should be done.
	* c-common.c (handle_used_attribute): Don't ignore TYPE_DECL nodes.
	* c-typeck.c (c_expr_sizeof_type, c_cast_expr): Use the new
	* doc/invoke.texi: Update documentation for

2011-09-08  Enkovich Ilya  <>

	* config/i386/i386-protos.h (ix86_lea_outperforms): New.
	(ix86_avoid_lea_for_add): Likewise.
	(ix86_avoid_lea_for_addr): Likewise.
	(ix86_split_lea_for_addr): Likewise.

	* config/i386/i386.c (LEA_MAX_STALL): New.
	(increase_distance): Likewise.
	(insn_defines_reg): Likewise.
	(insn_uses_reg_mem): Likewise.
	(distance_non_agu_define_in_bb): Likewise.
	(distance_agu_use_in_bb): Likewise.
	(ix86_lea_outperforms): Likewise.
	(ix86_ok_to_clobber_flags): Likewise.
	(ix86_avoid_lea_for_add): Likewise.
	(ix86_avoid_lea_for_addr): Likewise.
	(ix86_split_lea_for_addr): Likewise.
	(distance_non_agu_define): Search in pred BBs added.
	(distance_agu_use): Search in succ BBs added.
	(IX86_LEA_PRIORITY): Value changed from 2 to 0.
	(ix86_lea_for_add_ok): Use ix86_lea_outperforms to make decision.

	* config/i386/ Split added to transform non destructive
	add into move and add.
	(lea_1): transformed into insn_and_split to avoid AGU stalls.
	(lea<mode>_2): Likewise.

2011-09-08  Martin Jambor  <>

	PR tree-optimization/50287
	* ipa-split.c (split_function): Do not create SSA names for

2011-09-08  Richard Guenther  <>

	PR tree-optimization/19831
	* tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Also
	skip builtins with vdefs that do not really store something.
	(propagate_necessity): For calls to free that we can associate
	with an allocation function do not mark the freed pointer
	definition necessary.
	(eliminate_unnecessary_stmts): Remove a call to free if
	the associated call to an allocation function is not necessary.

2011-09-08  Richard Guenther  <>

	PR tree-optimization/19831
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Do not mark
	allocation functions as necessary.

2011-09-08  Iain Sandoe  <>

	* config/darwin-driver.c (darwin_find_version_from_kernel): New routine
	cut from ...
	(darwin_default_min_version): Amended to provide defaults
	for the cross directory case.
	(darwin_driver_init): call darwin_default_min_version unconditionally.
	* config/darwin.h (DEF_MIN_OSX_VERSION): New.
	* config/darwin9.h: Likewise.
	* config/darwin10.h: Likewise.
	* config/rs6000/darwin7.h: Likewise.

2011-09-08  Jakub Jelinek  <>

	PR target/50310
	* config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Return
	code early if TARGET_AVX.
	(ix86_expand_fp_vcond): Handle LTGT and UNEQ.

2011-09-07  Jakub Jelinek  <>

	* config/i386/ (sseinsnmode): Remove 32-byte integer vector

	PR target/50310
	* config/i386/ (*andnot<mode>3, *<code><mode>3): Fix up
	"mode" attribute computation.

2011-09-07  Bernd Schmidt  <>

	* regrename.c (struct du_head): Make nregs signed.
	(closed_chains): Remove.
	(create_new_chain): Return the new chain.
	(chain_from_id): New static function.
	(dump_def_use_chain): Change argument to be an int, indicating
	the first ID to print.  All callers changed.
	(merge_overlapping_regs): Use chain_from_id.  Assert that
	chains don't conflict with themselves.
	(rename_chains): Take no argument.  Iterate over id_to_chain
	rather to find chains to rename.  Clear tick before the main loop.
	(struct incoming_reg_info): New struct.
	(struct bb_rename_info): New struct.
	(init_rename_info, set_incoming_from_chain, merge_chains): New
	static functions.
	(regrename_analyze): New static function, broken out of
	regrename_optimize.  Record and make use of open chain information
	at basic block boundaries, and merge chains where possible.
	(scan_rtx_reg): Make this_nregs signed.  Don't update
	(build_def_use): Return a bool to indicate success.  All callers
	changed.  Don't initialize global data here.
	(regrename_optimize): Move most code out of here into
	* regs.h (add_range_to_hard_reg_set, remove_range_from_hard_reg_set,
	range_overlaps_hard_reg_set_p, range_in_hard_reg_set_p): New
	static inline functions.
	* vec.h (FOR_EACH_VEC_ELT_FROM): New macro.

	* bb-reorder.c (insert_section_boundary_note): Don't check
	(gate_handle_partition_blocks): Do it here instead.
	(gate_handle_reorder_blocks): Move preliminary checks here ...
	(rest_of_handle_reorder_blocks): ... from here.

2011-09-07  Martin Jambor  <>

	PR middle-end/50301
	* ipa-cp.c (find_more_values_for_callers_subset): Check jump
	function index bounds.
	(perhaps_add_new_callers): Likewise.

2011-09-07  Martin Jambor  <>

	PR tree-optimization/49911
	* tree-sra.c (analyze_access_subtree): Change type of to-be-replaced
	enumerations to the corresponding plain integer type.

2011-09-07  Richard Guenther  <>

	PR tree-optimization/50319
	* tree-if-conv.c (set_bb_predicate): Assert we only set
	canonical predicates.
	(add_to_predicate_list): Simplify.  Allow TRUTH_NOT_EXPR
	around canonical predicates.
	(predicate_bbs): Do not re-gimplify already canonical
	predicates.  Properly unshare them though.
	(find_phi_replacement_condition): Simplify.

2011-09-07  Richard Sandiford  <>

	PR target/49030
	* config/arm/arm-protos.h (maybe_get_arm_condition_code): Declare.
	* config/arm/arm.c (maybe_get_arm_condition_code): New function,
	reusing the old code from get_arm_condition_code.  Return ARM_NV
	for invalid comparison codes.
	(get_arm_condition_code): Redefine in terms of
	* config/arm/ (arm_comparison_operator): Use

2011-09-07  Richard Guenther  <>

	* tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
	Canonicalize negated predicates by swapping edges.
	(forward_propagate_into_cond): Likewise.

2011-09-07  Richard Guenther  <>

	PR tree-optimization/50213
	* tree-flow.h (simple_iv_increment_p): Declare.
	* tree-ssa-dom.c (simple_iv_increment_p): Export.  Also handle
	* tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Do
	not propagate simple IV counter increments.

2011-09-07  Eric Botcazou  <>
	    Iain Sandoe  <>

	* config/rs6000/rs6000.c (compute_save_world_info): Test
	cfun->has_nonlocal_label to determine if the out-of-line save
	world call may be used.

2011-09-07  Nick Clifton  <>

	* config/mn10300/mn10300.c (mn10300_insert_setlb_lcc): Set the jump
	label on the parallel part of the insn.

2011-09-07  Jakub Jelinek  <>

	PR debug/50191
	* dwarf2out.c (mem_loc_descriptor) <case MEM>: Try
	avoid_constant_pool_reference first instead of last.

2011-09-06  Michael Meissner  <>

	* doc/configfiles.texi (Configuration Files): Update documentation
	about tm_p.h and remove FIXME comment.

2011-09-06  Uros Bizjak  <>

	* config/i386/i386.c (ix86_function_value_regno_p): Use AX_REG.
	(function_value_32): Do not check TARGET_MMX, TARGET_SSE or TARGET_AVX.

2011-09-06  Iain Sandoe  <>

	* config/darwin10.h Remove duplicate LIB_SPEC.

2011-09-06  Enkovich Ilya  <>

	PR middle-end/44382
	* target.def (reassociation_width): New hook.

	* doc/ (reassociation_width): Likewise.

	* doc/tm.texi (reassociation_width): Likewise.

	* doc/invoke.texi (tree-reassoc-width): New param documented.

	* hooks.h (hook_int_uint_mode_1): New default hook.

	* hooks.c (hook_int_uint_mode_1): Likewise.

	* config/i386/i386.h (ix86_tune_indices): Add


	* config/i386/i386.c (initial_ix86_tune_features): Add

	(ix86_reassociation_width): New function.

	* params.def (PARAM_TREE_REASSOC_WIDTH): New param added.

	* tree-ssa-reassoc.c (get_required_cycles): New function.
	(get_reassociation_width): Likewise.
	(swap_ops_for_binary_stmt): Likewise.
	(rewrite_expr_tree_parallel): Likewise.

	(rewrite_expr_tree): Refactored.  Part of code moved into

	(reassociate_bb): Now checks reassociation width to be used and
	call rewrite_expr_tree_parallel instead of rewrite_expr_tree if needed.

2011-09-06  Richard Guenther  <>

	PR tree-optimization/47025
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): BUILT_IN_VA_END
	uses nothing.
	(call_may_clobber_ref_p_1): BUILT_IN_VA_END is a barrier like
	(stmt_kills_ref_p_1): BUILT_IN_VA_END kills what its argument
	definitely points to.
	* tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
	BUILT_IN_VA_START doesn't let its va_list argument escape.
	* tree-ssa-dce.c (propagate_necessity): BUILT_IN_VA_END does
	not make any previous stores necessary.

2011-09-06  Martin Jambor  <>

	* ipa-inline.h (struct inline_summary): Move versionable flag...
	* cgraph.h (struct cgraph_local_info):
	* ipa-cp.c (determine_versionability): Use the new versionable flag.
	(determine_versionability): Likewise.
	(ipcp_versionable_function_p): Likewise.
	(ipcp_generate_summary): Likewise.
	* ipa-inline-analysis.c (dump_inline_summary): Do not dump the
	versionable flag.
	(compute_inline_parameters): Do not clear the versionable flag.
	(inline_read_section): Do not stream the versionable flag.
	(inline_write_summary): Likewise.
	* lto-cgraph.c (lto_output_node): Stream the versionable flag.
	(input_overwrite_node): Likewise.

2011-09-06  Richard Guenther  <>

	PR tree-optimization/48149
	* tree-ssa-sccvn.c (vn_get_expr_for): Simplify.  Fix tuplification bug.
	(vn_valueize): Move earlier.
	(valueize_expr): Use vn_valueize.
	(simplify_binary_expression): Simplify, also combine COMPLEX_EXPR
	(simplify_unary_expression): Simplify.

2011-09-06  Richard Guenther  <>

	PR tree-optimization/48317
	* tree-ssa-sccvn.h (struct vn_nary_op_s): Make op a true
	trailing array.
	(sizeof_vn_nary_op): New inline function.
	(vn_nary_op_lookup_pieces): Adjust.
	(vn_nary_op_insert_pieces): Likewise.
	* tree-ssa-sccvn.c (vn_nary_op_eq): Also compare the length.
	(init_vn_nary_op_from_pieces): Adjust signature.  Deal with
	any number of operands.
	(vn_nary_length_from_stmt): New function.
	(init_vn_nary_op_from_stmt): Adjust for CONSTRUCTOR handling.
	(vn_nary_op_lookup_pieces): Adjust signature and allocate properly
	sized temporary.